Cross-brand designation analysis
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You entered NJ2234EMA. This table explores the base group NJ2234; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“NJ2234” 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 | FAGNJ2234-E-XL-M1170 × 310 × 86 mm | TIMKENNJ2234EMA170 × 310 × 86 mm | NSKNJ2234EM170 × 310 × 86 mm | KOYONJ2234170 × 310 × 86 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | FAG | TIMKEN | NSK | KOYO |
| Designation | NJ2234-E-XL-M1 | NJ2234EMA | NJ2234EM | NJ2234 |
| 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 | NJ2234 | EX27636 | — | — |
| Bore diameterd | 170 mm | 170 mm | 170 mm | 170 mm |
| Outside diameterD | 310 mm | 310 mm | 310 mm | 310 mm |
| WidthB | 86 mm | 86 mm | 86 mm | 86 mm |
| Basic dynamic load ratingC | 1130 kN | 1100 kN | 1140 kN | 896 kN |
| Basic static load ratingC0 | 1400 kN | 1420 kN | 1330 kN | 1080 kN |
| Fatigue load limitPu | 216 kN | — | — | 127 kN |
| Reference speednref | 1470 r/min | — | — | — |
| Limiting speednG | 3800 r/min | — | — | 1700 r/min |
| Mass≈m | 29.7 kg | 29.3 kg | — | 29.9 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 | HJ2234-E | — | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 86 mm | — |
| Minimum bearing chamferr min. | — | — | 4 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 4 mm | — |
| Roller inscribed circle diameterFw | — | — | 205 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 | — | 0.1359 | — | — |
| 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 | — | — | — |
| Catalogue reference mass | ||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | 29.9 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 | 7.2 mm | — | — | — |
| Axial displacements | 0.283 in | — | — | — |
| Raceway diameter outer ringE | 281 mm | — | — | — |
| Raceway diameter outer ringE | 11.063 in | — | — | — |
| Raceway diameter inner ringF | 205 mm | — | — | — |
| Raceway diameter inner ringF | 8.071 in | — | — | — |
| Minimum rib diameter outer ringD1 min | 269.9 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | 10.626 in | — | — | — |
| Maximum rib diameter inner ringd1 | 219 mm | — | — | — |
| Maximum rib diameter inner ringd1 | 8.622 in | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 1140000 N | — |
| Basic static radial load ratingC0r | — | — | 1330000 N | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 2200 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | 3200 r/min | — |
| Limiting speed — grease | — | — | 1800 r/min | — |
| Limiting speed — oil bath | — | — | 2200 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | 1,130,000 N | — | — | — |
| Basic dynamic load rating, radialCr | 254,046.763 lbf | — | — | — |
| Basic static load rating, radialC0r | 1,400,000 N | — | — | — |
| Basic static load rating, radialC0r | 314,748.201 lbf | — | — | — |
| Fatigue load limit, radialCur | 216,000 N | — | — | — |
| Fatigue load limit, radialCur | 48,561.151 lbf | — | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | 371320 | — | — | — |
| Material Number | — | 000000000190019385 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | NJ2234 | — | — | — |
| World Assembly Part Number | — | NJ2234EMA | — | — |
| Old Designation | ["NJ2234E.M1","NJ2234-E-M1"] | — | — | — |
| Inner Ring Part Number | — | 170ARJE22 | — | — |
| Gpsd Group | F01 | — | — | — |
| Outer Ring Part Number | — | 170ERUE22 | — | — |
| Product Line Id | 63 | — | — | — |
| Drawing Number | — | M103430 | — | — |
| X Life Marking | XL | — | — | — |
| Upc | — | 0053893773728 | — | — |
| Official Source System | — | CORE BP - DS DF | — | — |
| Official Last Run | — | 2026-08-23T20:02:46.73 | — | — |
| SAP material number | 0192244190000 | — | — | — |
| Base product | 2305090111 | — | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | 187 mm | — | — | — |
| Minimum diameter shaft shoulderda min | 7.362 in | — | — | — |
| Maximum diameter of shaft shoulderda max | 204 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | 8.031 in | — | — | — |
| Maximum diameter of housing shoulderDa max | 293 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | 11.535 in | — | — | — |
| Minimum shaft shoulderdc min | 223 mm | — | — | — |
| Minimum shaft shoulderdc min | 8.78 in | — | — | — |
| Maximum recess radiusra max | 3 mm | — | — | — |
| Maximum recess radiusra max | 0.118 in | — | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | 186 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 294 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 200 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-XL-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 | 6.6929 in Bore | 12.2047 in OD | 3.3858 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — | — |
| Type Description | — | Cylindrical 1-Row | — | — |
| Short Description | Cylindrical roller bearing | — | — | — |
| Number Of Rows | — | 1 | — | — |
| Tapered Bore | — | N | — | — |
| Technical Data | ||||
| d | — | — | — | 310 mm |
| B | — | — | — | 86 mm |
| R(Min.) | — | — | — | 4 mm |
| R1(Min.) | — | — | — | 4 mm |
| Bore Diameter (D) | 170 mm | — | — | — |
| Overall Width | — | 0.000 mm | — | — |
| Fw | — | — | — | 208 mm |
| Outside Diamater (D) | 310 mm | — | — | — |
| Radial Rating | — | 1,100,000 N | — | — |
| Ew | — | — | — | - mm |
| Total Width (B) | 86 mm | — | — | — |
| Axial Rating | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | 896 kN |
| Basic Dynamic Load Rating, Radial (Cr) | 1,130,000 N | — | — | — |
| Dynamic Rating C1 | — | 1,100,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 1080 kN |
| Basic Static Load Rating, Radial (C0R) | 1,400,000 N | — | — | — |
| Dynamic Rating C90 | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 127 kN |
| Raceway Diameter Inner Ring (F) | 205 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 1700 min-1 |
| Operating Temperature Min. (Tmin) | -30 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 2300 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | 187 mm | — | — | — |
| Static Radial Rating C0 | — | 1,420,000 N | — | — |
| Sd1 | — | — | — | - mm |
| Operating Temperature Max. (Tmax) | 150 °C | — | — | — |
| Extended Dynamic Rating Ce | — | 0 N | — | — |
| B1 | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | 3,800 1/min | — | — | — |
| Static Axial Rating C0A | — | 0 N | — | — |
| B2 | — | — | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | 223 mm | — | — | — |
| Da(Min.) | — | — | — | - mm |
| Reference Speed (Nϑr) | 1,470 1/min | — | — | — |
| Db(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | 3 mm | — | — | — |
| Db(Max.) | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | 293 mm | — | — | — |
| Dc(Min.) | — | — | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | 219 mm | — | — | — |
| Dd(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | — | — | — |
| Da(Max.) | — | — | — | 294 mm |
| Axial Displacement (S) | 7.2 mm | — | — | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | 269.9 mm | — | — | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 204 mm | — | — | — |
| Ra(Max.) | — | — | — | 3 mm |
| Minimum Chamfer Dimension (Rmin) | 4 mm | — | — | — |
| Rb(Max.) | — | — | — | 3 mm |
| Raceway Diameter Outer Ring (E) | 281 mm | — | — | — |
| Mass(Refer.) | — | — | — | 29.9 kg |
| Fatigue Load Limit, Radial (Cur) | 216,000 N | — | — | — |
| 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.