Cross-brand designation analysis
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You entered NJ2238EM. This table explores the base group NJ2238; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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Dimensions verified
“NJ2238” across 4 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAGNJ2238-E-M1190 × 340 × 92 mm | TIMKENNJ2238EMA190 × 340 × 92 mm | NSKNJ2238EM190 × 340 × 92 mm | KOYONJ2238190 × 340 × 92 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | FAG | TIMKEN | NSK | KOYO |
| Designation | NJ2238-E-M1 | NJ2238EMA | NJ2238EM | NJ2238 |
| Product family | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NJ |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NJ2238 | EX27735 | — | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 340 mm | 340 mm | 340 mm | 340 mm |
| WidthB | 92 mm | 92 mm | 92 mm | 92 mm |
| Basic dynamic load ratingC | 1090 kN | 1250 kN | 1360 kN | 1040 kN |
| Basic static load ratingC0 | 1650 kN | 1680 kN | 1670 kN | 1290 kN |
| Fatigue load limitPu | 204 kN | — | — | 146 kN |
| Reference speednref | 1290 r/min | — | — | — |
| Limiting speednG | 3000 r/min | — | — | 1500 r/min |
| Mass≈m | 38 kg | 37.8 kg | — | 37.9 kg |
| Precision class | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | — | Open | — | — |
| Cage | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | Machined brass | — |
| Minimum operating temperatureTmin | -30 °C | — | — | — |
| Maximum operating temperatureTmax | 150 °C | — | — | — |
| Additional information | ||||
| L-washer | HJ2238-E | — | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 92 mm | — |
| Minimum bearing chamferr min. | — | — | 4 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 4 mm | — |
| Roller inscribed circle diameterFw | — | — | 228 mm | — |
| Calculation Factors | ||||
| K Factor | — | 0.00 | — | — |
| Y1 Factor | — | 0.00 | — | — |
| Y2 Factor | — | 0.00 | — | — |
| Y0 Factor | — | 0.00 | — | — |
| E Factor | — | 0.00 | — | — |
| Cg Factor | — | 0.1469 | — | — |
| Capabilities & suitability | ||||
| Radial load capacity | Yes | — | — | — |
| Axial load capacity in one direction | Yes | — | — | — |
| Suitable for grease lubrication | Yes | — | — | — |
| Suitable for oil lubrication | Yes | — | — | — |
| Unsealed design | Yes | — | — | — |
| Largebearing | Yes | — | — | — |
| Catalogue reference mass | ||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | 38.3 kg | — |
| Classification | ||||
| Official Category Path | — | — | — | Cylindrical roller bearings - Single-row - NJ |
| Official Classification 1 | — | — | — | Cylindrical roller bearings / Single-row / NJ |
| Construction | ||||
| Single-row construction type | — | — | NJ | — |
| Rib arrangement | — | — | Two outer-ring ribs; one inner-ring rib | — |
| Standard cage material | — | — | Machined brass | — |
| Standard cage marking | — | — | M | — |
| Other cage codes listed for this catalogue row | — | — | None listed in this row | — |
| Precision — designation omission rule | — | — | ISO Normal when no precision suffix is specified | — |
| Clearance identification — verify interchangeability | — | — | No clearance suffix shown. CN omission applies to interchangeable designs; do not infer a numerical clearance. | — |
| Optimized crowning note | — | — | Catalogue asterisk: optimized crowning may be available; not verified as fitted | — |
| Dimensions | ||||
| Minimum chamfer dimensionrmin | 4 mm | — | — | — |
| Minimum chamfer dimensionrmin | 0.157 in | — | — | — |
| Minimum chamfer dimensionr1 min | 4 mm | — | — | — |
| Minimum chamfer dimensionr1 min | 0.157 in | — | — | — |
| Axial displacements | 8 mm | — | — | — |
| Axial displacements | 0.315 in | — | — | — |
| Raceway diameter outer ringE | 308 mm | — | — | — |
| Raceway diameter outer ringE | 12.126 in | — | — | — |
| Raceway diameter inner ringF | 228 mm | — | — | — |
| Raceway diameter inner ringF | 8.976 in | — | — | — |
| Minimum rib diameter outer ringD1 min | 296.4 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | 11.669 in | — | — | — |
| Maximum rib diameter inner ringd1 | 242.7 mm | — | — | — |
| Maximum rib diameter inner ringd1 | 9.555 in | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 1360000 N | — |
| Basic static radial load ratingC0r | — | — | 1670000 N | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 1900 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | 3000 r/min | — |
| Limiting speed — grease | — | — | 1600 r/min | — |
| Limiting speed — oil bath | — | — | 2000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | 1,090,000 N | — | — | — |
| Basic dynamic load rating, radialCr | 245,053.957 lbf | — | — | — |
| Basic static load rating, radialC0r | 1,650,000 N | — | — | — |
| Basic static load rating, radialC0r | 370,953.237 lbf | — | — | — |
| Fatigue load limit, radialCur | 204,000 N | — | — | — |
| Fatigue load limit, radialCur | 45,863.309 lbf | — | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | 371133 | — | — | — |
| Material Number | — | 000000000190019602 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | NJ2238 | — | — | — |
| World Assembly Part Number | — | NJ2238EMA | — | — |
| Old Designation | ["NJ2238E.M1","NJ2238E.M"] | — | — | — |
| Inner Ring Part Number | — | 190ARJE22 | — | — |
| Gpsd Group | F01 | — | — | — |
| Outer Ring Part Number | — | 190ERUE22 | — | — |
| Product Line Id | 75 | — | — | — |
| Drawing Number | — | M103599 | — | — |
| Upc | — | 0053893773742 | — | — |
| Official Source System | — | CORE BP - DS DF | — | — |
| Official Last Run | — | 2026-08-23T20:02:47.4 | — | — |
| SAP material number | 0167352260000 | — | — | — |
| Base product | 2305090111 | — | — | — |
| Bearing X designation | NJ2238-E-M1 | — | — | — |
| Mounting Manager ID | NJ2238-E-M1 | — | — | — |
| Grease application ID | NJ2238-E-M1 | — | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | 207 mm | — | — | — |
| Minimum diameter shaft shoulderda min | 8.15 in | — | — | — |
| Maximum diameter of shaft shoulderda max | 227 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | 8.937 in | — | — | — |
| Maximum diameter of housing shoulderDa max | 323 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | 12.717 in | — | — | — |
| Minimum shaft shoulderdc min | 247 mm | — | — | — |
| Minimum shaft shoulderdc min | 9.724 in | — | — | — |
| Maximum recess radiusra max | 3 mm | — | — | — |
| Maximum recess radiusra max | 0.118 in | — | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | 206 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 324 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 223 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 3 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 3 mm | — |
| Product characteristics | ||||
| DesignE | Increased Capacity Design | — | — | — |
| Radial internal clearanceCN (Group N) | Normal internal clearance | — | — | — |
| Tolerance classPN | Normal (ISO 492:2023) | — | — | — |
| Number of rows1 | Single-row design | — | — | — |
| Product Identity | ||||
| Construction | Cylindrical roller bearing NJ..-E-M1, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ | Single Row Cylindrical Roller Bearing | Imperial Series | 7.4803 in Bore | 13.3858 in OD | 3.6220 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — | — |
| Short Description | Cylindrical roller bearing | — | — | — |
| Type Description | — | Cylindrical 1-Row | — | — |
| Number Of Rows | — | 1 | — | — |
| Tapered Bore | — | N | — | — |
| Technical Data | ||||
| d | — | — | — | 340 mm |
| B | — | — | — | 92 mm |
| R(Min.) | — | — | — | 4 mm |
| Bore Diameter (D) | 190 mm | — | — | — |
| R1(Min.) | — | — | — | 4 mm |
| Outside Diamater (D) | 340 mm | — | — | — |
| Overall Width | — | 0.000 mm | — | — |
| Fw | — | — | — | 231 mm |
| Total Width (B) | 92 mm | — | — | — |
| Radial Rating | — | 1,250,000 N | — | — |
| Ew | — | — | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | 1,090,000 N | — | — | — |
| Axial Rating | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | 1040 kN |
| Basic Static Load Rating, Radial (C0R) | 1,650,000 N | — | — | — |
| Dynamic Rating C1 | — | 1,250,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 1290 kN |
| Raceway Diameter Inner Ring (F) | 228 mm | — | — | — |
| Dynamic Rating C90 | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 146 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — | — | — |
| Dynamic Axial Rating Ca90 | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 1500 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | 207 mm | — | — | — |
| Dynamic Axial Rating Ca1 | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 2000 min-1 |
| Operating Temperature Max. (Tmax) | 150 °C | — | — | — |
| Static Radial Rating C0 | — | 1,680,000 N | — | — |
| Sd1 | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | 3,000 1/min | — | — | — |
| Extended Dynamic Rating Ce | — | 0 N | — | — |
| B1 | — | — | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | 247 mm | — | — | — |
| Static Axial Rating C0A | — | 0 N | — | — |
| B2 | — | — | — | - mm |
| Reference Speed (Nϑr) | 1,290 1/min | — | — | — |
| Da(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | 3 mm | — | — | — |
| Db(Min.) | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | 323 mm | — | — | — |
| Db(Max.) | — | — | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | 242.7 mm | — | — | — |
| Dc(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | — | — | — |
| Dd(Min.) | — | — | — | - mm |
| Axial Displacement (S) | 8 mm | — | — | — |
| Da(Max.) | — | — | — | 324 mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | 296.4 mm | — | — | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 227 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | 4 mm | — | — | — |
| Ra(Max.) | — | — | — | 3 mm |
| Raceway Diameter Outer Ring (E) | 308 mm | — | — | — |
| Rb(Max.) | — | — | — | 3 mm |
| Fatigue Load Limit, Radial (Cur) | 204,000 N | — | — | — |
| Mass(Refer.) | — | — | — | 37.9 kg |
| Temperature range | ||||
| Operating temperature min.Tmin | -30 °C | — | — | — |
| Operating temperature min.Tmin | -22 °F | — | — | — |
| Operating temperature max.Tmax | 150 °C | — | — | — |
| Operating temperature max.Tmax | 302 °F | — | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.