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NJ 314 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with NJ 314. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

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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

NJ 314 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. 19 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)
SKFNJ 314 ECJSingle row cylindrical roller bearing, NJ design
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm2.83 kg2830 g
SKFNJ 314 ECJ/C3Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm2.83 kg2830 g
SKFNJ 314 ECMSingle row cylindrical roller bearing, NJ design
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm3.23 kg3230 g
SKFNJ 314 ECM/C3Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm3.23 kg3230 g
SKFNJ 314 ECM/C4VA301Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm3.23 kg3230 g
SKFNJ 314 ECMLSingle row cylindrical roller bearing, NJ design
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
236 kN228 kN4800 rpm8500 rpm3.15 kg3150 g
SKFNJ 314 ECML/C4Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm8500 rpm3.15 kg3150 g
SKFNJ 314 ECPSingle row cylindrical roller bearing, NJ design
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm2.77 kg2770 g
SKFNJ 314 ECP/C3Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm2.82 kg2820 g
SKFNJ 314 ECP/C4Single row cylindrical roller bearing, NJ design
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
236 kN228 kN4800 rpm5600 rpm2.82 kg2820 g
FAGNJ314-E-XL-M1Cylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
242 kN222 kN4500 rpm8200 rpm3.089 kg3089 g
FAGNJ314-E-XL-M1-F1-C3Cylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
242 kN222 kN4500 rpm8200 rpm3.12 kg3120 g
FAGNJ314-E-XL-MPAX-C3Cylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
242 kN222 kN4500 rpm8200 rpm3.12 kg3120 g
FAGNJ314-E-XL-TVP2Cylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
242 kN222 kN4500 rpm6300 rpm2.79 kg2790 g
TIMKENNJ314EMACylindrical roller bearing
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
231 kN226 kN——3.1 kg3100 g
TIMKENNJ314EMAC3Cylindrical roller bearing
Recorded bore (d)
70 mm
2.755906 in
Recorded outside dimension (D)
150 mm
5.905512 in
Catalogue width (symbol unverified)
35 mm
1.377953 in
231 kN226 kN——3.1 kg3100 g
NSKNJ314EMCylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Bearing width (B)
35 mm
1.377953 in
252 kN222 kN———
NSKNJ314WCylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Bearing width (B)
35 mm
1.377953 in
195 kN168 kN———
KOYONJ314RCylindrical roller bearing
Bore diameter (d)
70 mm
2.755906 in
Outside diameter (D)
150 mm
5.905512 in
Width (B)
35 mm
1.377953 in
256 kN222 kN—4000 rpmLimiting Speeds(Grease Lub.): 4000 min-1Limiting Speeds(Oil Lub.): 5300 min-12.88 kg2880 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 NJ 314 ECJWithoutNot recordedCNSheet metalNot recordedNone
SKF NJ 314 ECJ/C3WithoutNot recordedC3Sheet metalNot recordedNone
SKF NJ 314 ECMWithoutNot recordedCNMachined brassNot recordedNone
SKF NJ 314 ECM/C3WithoutNot recordedC3Machined brassNot recordedNone
SKF NJ 314 ECM/C4VA301WithoutNot recordedC4Machined brassNot recordedNone
SKF NJ 314 ECMLWithoutNot recordedCNMachined brassNot recordedNone
SKF NJ 314 ECML/C4WithoutNot recordedC4Machined brassNot recordedNone
SKF NJ 314 ECPWithoutNot recordedCNNon-metallicNot recordedNone
SKF NJ 314 ECP/C3WithoutNot recordedC3Non-metallicNot recordedNone
SKF NJ 314 ECP/C4WithoutNot recordedC4Non-metallicNot recordedNone
FAG NJ314-E-XL-M1Not recordedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceM1 — Two Piece Brass Cage Roller GuidedNot recordedNot recorded
FAG NJ314-E-XL-M1-F1-C3Not recordedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM1 — Two Piece Brass Cage Roller GuidedNot recordedNot recorded
FAG NJ314-E-XL-MPAX-C3Not recordedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNMPAX — One Piece Brass Cage Lip GuidedNot recordedNot recorded
FAG NJ314-E-XL-TVP2Not recordedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceTVP2 — Solid Window Cage made from PA66Not recordedNot recorded
TIMKEN NJ314EMAOpenNot recordedNot recordedWindow Brass cageNot recordedNot recorded
TIMKEN NJ314EMAC3OpenNot recordedNot recordedWindow Brass cageNot recordedNot recorded
NSK NJ314EMNot recordedNot recordedNot recordedMachined brassNot recordedNot recorded
NSK NJ314WNot recordedNot recordedNot recordedPressed steelNot recordedNot recorded
KOYO NJ314RNot 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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