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23144 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 23144. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

On this page5 sections

Find by measured dimensions

Enter bore d, outside diameter D and width B. Use decimals or inch fractions such as 1/2 or 1 1/4.

For tapered assemblies use total width T; for units or flanged bearings also check the mounting drawing.

Exact model evidence

23144 dimensions and recorded technical data

Use the named dimensions for each complete record below. A generic d×D×B answer is not asserted where the base record is missing, dimension symbols are unverified, or the product uses a different geometry such as a housing or thrust assembly. Suffix records are not substituted for a missing base specification.

The numeric series boundary is preserved: a longer number is not included merely because its first digits match. 58 recorded variants are listed. A dash means the value is missing, not zero.

Brand / full designationNamed dimensions (mm / in)Dynamic C (kN)Static C0 (kN)Reference speed (rpm)Limiting speed (rpm)Mass (kg / g)
SKF23144-2CS5K/VT143Spherical roller bearing with tapered bore, integral sealing and relubrication features
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1891 kN2750 kN—530 rpm50.4 kg50400 g
SKF23144-2CS5/VT143Spherical roller bearing with integral sealing and relubrication features
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1891 kN2750 kN—530 rpm52.6 kg52600 g
SKF23144 CC/C3W33Spherical roller bearing with relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm52.3 kg52300 g
SKF23144 CC/C4W33Spherical roller bearing with relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm52.3 kg52300 g
SKF23144 CCK/C3W33Spherical roller bearing with tapered bore and relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm50.6 kg50600 g
SKF23144 CCK/C4W33Spherical roller bearing with tapered bore and relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm50.6 kg50600 g
SKF23144 CCK/HA3C4W33Spherical roller bearing with tapered bore and relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm50.6 kg50600 g
SKF23144 CCK/W33Spherical roller bearing with tapered bore and relubrication features
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm50.6 kg50600 g
SKF23144 CC/W33Spherical roller bearing with relubrication features
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm52.3 kg52300 g
SKF23144 CC/W509Spherical roller bearing with relubrication features
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1888 kN2750 kN1300 rpm1700 rpm53.5 kg53500 g
FAG23144-BE-XLSpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.65 kg50650 g
FAG23144-BE-XL-2RSRSpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN—465 rpm52.2 kg52200 g
FAG23144-BE-XL>ASpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.86 kg50860 g
FAG23144-BE-XL-C3Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.625 kg50625 g
FAG23144-BE-XL-C4Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.61 kg50610 g
FAG23144-BE-XL-C5Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.6 kg50600 g
FAG23144-BE-XL-KSpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm49.05 kg49050 g
FAG23144-BE-XL-K-2RSRSpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN—465 rpm50.5 kg50500 g
FAG23144-BE-XL-K>ASpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm50.86 kg50860 g
FAG23144-BE-XL-K-C3Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm49.05 kg49050 g
FAG23144-BE-XL-K-C3>ASpherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm49.66 kg49660 g
FAG23144-BE-XL-K-C4Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm49.01 kg49010 g
FAG23144-BE-XL-K-C5Spherical Roller Bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1860 kN2700 kN1080 rpm1860 rpm49 kg49000 g
TIMKEN23144EJW33Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——50.38 kg50380 g
TIMKEN23144EJW33C2Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——50.38 kg50380 g
TIMKEN23144EJW33C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——50.38 kg50380 g
TIMKEN23144EJW33C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——50.38 kg50380 g
TIMKEN23144EMBW33Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW33C2Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW33C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW33C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW33W25C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.74 kg52740 g
TIMKEN23144EMBW33W40C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.73 kg52730 g
TIMKEN23144EMBW507C08Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW507C08C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.82 kg52820 g
TIMKEN23144EMBW906ASpherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——52.73 kg52730 g
TIMKEN23144KEJW33Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.71 kg48710 g
TIMKEN23144KEJW33C2Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.71 kg48710 g
TIMKEN23144KEJW33C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.71 kg48710 g
TIMKEN23144KEJW33C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.71 kg48710 g
TIMKEN23144KEJW40IW534C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.72 kg48720 g
TIMKEN23144KEJW40IW534C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.72 kg48720 g
TIMKEN23144KEJW906AS1C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——48.7 kg48700 g
TIMKEN23144KEMBW40IW534C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——51.15 kg51150 g
TIMKEN23144KEMBW507C08Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——51.02 kg51020 g
TIMKEN23144KEMBW507C08C3Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——51.02 kg51020 g
TIMKEN23144KEMBW507C08C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——51.02 kg51020 g
TIMKEN23144KEMBW906AS1C4Spherical roller bearing
Recorded bore (d)
220 mm
8.661417 in
Recorded outside dimension (D)
370 mm
14.566929 in
Catalogue width (symbol unverified)
120 mm
4.724409 in
1940 kN2740 kN——51.06 kg51060 g
NSK23144CAME4Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Bearing width (B)
120 mm
4.724409 in
1960 kN2710 kN——53 kg53000 g
NSK23144CAMKE4Spherical roller bearing
Nominal bore diameter (1:12 taper) (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Bearing width (B)
120 mm
4.724409 in
1960 kN2710 kN———
NSK23144CE4Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Bearing width (B)
120 mm
4.724409 in
1960 kN2710 kN——53 kg53000 g
NSK23144CKE4Spherical roller bearing
Nominal bore diameter (1:12 taper) (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Bearing width (B)
120 mm
4.724409 in
1960 kN2710 kN———
KOYO23144RSpherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1810 kN2700 kN—880 rpmLimiting Speeds(Grease Lub.): 880 min-1Limiting Speeds(Oil Lub.): 1200 min-154.8 kg54800 g
KOYO23144RHASpherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
2000 kN2790 kN—870 rpmLimiting Speeds(Grease Lub.): 870 min-1Limiting Speeds(Oil Lub.): 1200 min-151.2 kg51200 g
KOYO23144RHAK+AH3144Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
2000 kN2790 kN—870 rpmLimiting Speeds(Grease Lub.): 870 min-1Limiting Speeds(Oil Lub.): 1200 min-160 kg60000 g
KOYO23144RHAK+H3144Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
2000 kN2790 kN—870 rpmLimiting Speeds(Grease Lub.): 870 min-1Limiting Speeds(Oil Lub.): 1200 min-164.8 kg64800 g
KOYO23144RK+AH3144Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1810 kN2700 kN—880 rpmLimiting Speeds(Grease Lub.): 880 min-1Limiting Speeds(Oil Lub.): 1200 min-163.6 kg63600 g
KOYO23144RK+H3144Spherical roller bearing
Bore diameter (d)
220 mm
8.661417 in
Outside diameter (D)
370 mm
14.566929 in
Width (B)
120 mm
4.724409 in
1810 kN2700 kN—880 rpmLimiting Speeds(Grease Lub.): 880 min-1Limiting Speeds(Oil Lub.): 1200 min-168.4 kg68400 g
Compare recorded seals, clearance, precision and materials

Manufacturer wording is retained. A missing property is not inferred from another brand or a similar suffix.

Brand / designationClosureOriginal precisionClearanceCageMaterialLubricant
SKF 23144-2CS5K/VT143Seal on both sidesNormalCNSheet metalNot recordedGrease
SKF 23144-2CS5/VT143Seal on both sidesNormalCNSheet metalNot recordedGrease
SKF 23144 CC/C3W33WithoutNot recordedC3Sheet metalNot recordedNone
SKF 23144 CC/C4W33WithoutNot recordedC4Sheet metalNot recordedNone
SKF 23144 CCK/C3W33WithoutNot recordedC3Sheet metalNot recordedNone
SKF 23144 CCK/C4W33WithoutNot recordedC4Sheet metalNot recordedNone
SKF 23144 CCK/HA3C4W33WithoutNot recordedC4Sheet metalNot recordedNone
SKF 23144 CCK/W33WithoutNormalCNSheet metalNot recordedNone
SKF 23144 CC/W33WithoutNormalCNSheet metalNot recordedNone
SKF 23144 CC/W509WithoutNot recordedCNSheet metalNot recordedNone
FAG 23144-BE-XLNot recordedNot recordedCN (Group N) — Normal internal clearanceJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-2RSR2RSR — Seals on both sides, normal temperatureNot recordedCN (Group N) — Normal internal clearanceJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL>ANot recordedNot recordedNot recordedJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-C3Not recordedNot recordedC3 (Group 3) — Internal clearance larger than CNJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-C4Not recordedNot recordedC4 (Group 4) — Internal clearance larger than C3JPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-C5Not recordedNot recordedC5 (Group 5) — Internal clearance larger than C4JPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-KNot recordedNot recordedCN (Group N) — Normal internal clearanceJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K-2RSR2RSR — Seals on both sides, normal temperatureNot recordedCN (Group N) — Normal internal clearanceJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K>ANot recordedNot recordedNot recordedJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K-C3Not recordedNot recordedC3 (Group 3) — Internal clearance larger than CNJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K-C3>ANot recordedNot recordedC3 (Group 3) — Internal clearance larger than CNJPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K-C4Not recordedNot recordedC4 (Group 4) — Internal clearance larger than C3JPB — Sheet metal cageNot recordedNot recorded
FAG 23144-BE-XL-K-C5Not recordedNot recordedC5 (Group 5) — Internal clearance larger than C4JPB — Sheet metal cageNot recordedNot recorded
TIMKEN 23144EJW33OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144EJW33C2OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144EJW33C3OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144EJW33C4OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144EMBW33OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW33C2OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW33C3OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW33C4OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW33W25C3OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW33W40C3OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW507C08OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW507C08C3OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144EMBW906AOpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144KEJW33OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW33C2OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW33C3OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW33C4OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW40IW534C3OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW40IW534C4OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEJW906AS1C4OpenNot recordedNot recordedSteel cageNot recordedNot recorded
TIMKEN 23144KEMBW40IW534C4OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144KEMBW507C08OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144KEMBW507C08C3OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144KEMBW507C08C4OpenNot recordedNot recordedBrass cageNot recordedNot recorded
TIMKEN 23144KEMBW906AS1C4OpenNot recordedNot recordedBrass cageNot recordedNot recorded
NSK 23144CAME4Not recordedNot recordedCNMachined brassNot recordedNot recorded
NSK 23144CAMKE4Not recordedNot recordedCNMachined brassNot recordedNot recorded
NSK 23144CE4Not recordedNot recordedCNPressed steelNot recordedNot recorded
NSK 23144CKE4Not recordedNot recordedCNPressed steelNot recordedNot recorded
KOYO 23144RNot recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 23144RHANot recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 23144RHAK+AH3144Not recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 23144RHAK+H3144Not recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 23144RK+AH3144Not recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 23144RK+H3144Not recordedNot recordedNot recordedNot recordedNot recordedNot recorded

How to compare these values

  • Use the displayed dimension names and original symbols. Housing length L, height H2 and flange width are not bearing outside diameter D. A catalogue width with an unverified symbol must not be assumed to be inner-ring width B or assembly width T. Open the product record for mounting dimensions and geometry.
  • Inch values are calculated from the recorded millimetres using 25.4 mm per inch, rounded to six decimal places. They do not change a metric bearing into an inch-series bearing. Gram values are converted from the recorded mass in kilograms.
  • C and C0 describe different rating conditions. They are not a single safe working-load limit and cannot replace an application load calculation.
  • Reference and limiting speeds are separate catalogue values. The source grease/oil context is shown where recorded. Lubricant, seals, loads, fit, clearance and cooling affect the usable operating speed.
  • A common base number does not prove equivalent seals, clearance, precision, material or interchangeability. Open the full designation for these fields.

Related prefix matches — other model numbers may appear

These discovery results can contain a longer number or a different component. They are not specifications for the requested exact model. Open the complete product to inspect its original geometry.

Check the drawing before substituting

Nominal dimensions are not shaft-fit tolerances. Different variants can add grooves, flanges, wider rings or assembly components. When the table has different dimensions, the complete designation—not the shared prefix—controls.

Reference basis & data limits

Manufacturer terminology is retained in the product records. Technical reference basis: JTEKT Basic Bearing Knowledge (boundary dimensions, tolerance classes and lubrication); NSK Bearing ABCs (lubrication, designations and clearance); NTN technical FAQs (closure codes and component interchange); SKF rolling-bearing selection and maintenance references.

Selection workflows and catalogue grouping are BearingScope editorial aids. Verify the current drawing and application requirements before using a candidate. Missing database information is not converted into an assumed match.

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