Cross-brand designation analysis
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You entered NJ248-E-TB-M1. This table explores the base group NJ248; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NJ248” 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 | FAGNJ248-E-M1240 × 440 × 72 mm | TIMKENNJ248EMA240 × 440 × 72 mm | NSKNJ248M240 × 440 × 72 mm | KOYONJ248240 × 440 × 72 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | FAG | TIMKEN | NSK | KOYO |
| Designation | NJ248-E-M1 | NJ248EMA | NJ248M | NJ248 |
| 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 | NJ248 | EX27726 | — | — |
| Bore diameterd | 240 mm | 240 mm | 240 mm | 240 mm |
| Outside diameterD | 440 mm | 440 mm | 440 mm | 440 mm |
| WidthB | 72 mm | 72 mm | 72 mm | 72 mm |
| Basic dynamic load ratingC | 1140 kN | 1250 kN | 1150 kN | 1170 kN |
| Basic static load ratingC0 | 1610 kN | 1570 kN | 1340 kN | 1340 kN |
| Fatigue load limitPu | 171 kN | — | — | 150 kN |
| Reference speednref | 1220 r/min | — | — | — |
| Limiting speednG | 2320 r/min | — | — | 1200 r/min |
| Mass≈m | 53.2 kg | 51.14 kg | — | 53.4 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 | HJ248-E | — | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 72 mm | — |
| Minimum bearing chamferr min. | — | — | 4 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 4 mm | — |
| Roller inscribed circle diameterFw | — | — | 295 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 | — | 0.1560 | — | — |
| 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 | — | — | 50.4 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 | — | — | No optimized-crowning asterisk on this row | — |
| 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 | 6 mm | — | — | — |
| Axial displacements | 0.236 in | — | — | — |
| Raceway diameter outer ringE | 393 mm | — | — | — |
| Raceway diameter outer ringE | 15.472 in | — | — | — |
| Raceway diameter inner ringF | 293 mm | — | — | — |
| Raceway diameter inner ringF | 11.535 in | — | — | — |
| Minimum rib diameter outer ringD1 min | 376.6 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | 14.827 in | — | — | — |
| Maximum rib diameter inner ringd1 | 312 mm | — | — | — |
| Maximum rib diameter inner ringd1 | 12.283 in | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 1150000 N | — |
| Basic static radial load ratingC0r | — | — | 1340000 N | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 1600 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 1300 r/min | — |
| Limiting speed — oil bath | — | — | 1600 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | 1,140,000 N | — | — | — |
| Basic dynamic load rating, radialCr | 256,294.964 lbf | — | — | — |
| Basic static load rating, radialC0r | 1,610,000 N | — | — | — |
| Basic static load rating, radialC0r | 361,960.432 lbf | — | — | — |
| Fatigue load limit, radialCur | 171,000 N | — | — | — |
| Fatigue load limit, radialCur | 38,444.245 lbf | — | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | 371152 | — | — | — |
| Material Number | — | 000000000190019369 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | NJ248 | — | — | — |
| World Assembly Part Number | — | NJ248EMA | — | — |
| Old Designation | ["NJ248E.M1","NJ248M"] | — | — | — |
| Inner Ring Part Number | — | 240ARJE02 | — | — |
| Gpsd Group | F01 | — | — | — |
| Outer Ring Part Number | — | 240ERUE02 | — | — |
| Product Line Id | 75 | — | — | — |
| Drawing Number | — | M103428 | — | — |
| Upc | — | 0053893773797 | — | — |
| Official Source System | — | CORE BP - DS DF | — | — |
| Official Last Run | — | 2026-08-23T20:02:48.51 | — | — |
| SAP material number | 0192274500000 | — | — | — |
| Base product | 2305090111 | — | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | 257 mm | — | — | — |
| Minimum diameter shaft shoulderda min | 10.118 in | — | — | — |
| Maximum diameter of shaft shoulderda max | 290 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | 11.417 in | — | — | — |
| Maximum diameter of housing shoulderDa max | 423 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | 16.654 in | — | — | — |
| Minimum shaft shoulderdc min | 315 mm | — | — | — |
| Minimum shaft shoulderdc min | 12.402 in | — | — | — |
| Maximum recess radiusra max | 3 mm | — | — | — |
| Maximum recess radiusra max | 0.118 in | — | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | 256 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 424 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 289 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 | 9.4488 in Bore | 17.3228 in OD | 2.8346 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 | — | — | — | 440 mm |
| B | — | — | — | 72 mm |
| R(Min.) | — | — | — | 4 mm |
| Bore Diameter (D) | 240 mm | — | — | — |
| R1(Min.) | — | — | — | 4 mm |
| Outside Diamater (D) | 440 mm | — | — | — |
| Overall Width | — | 0.000 mm | — | — |
| Fw | — | — | — | 295 mm |
| Total Width (B) | 72 mm | — | — | — |
| Radial Rating | — | 1,250,000 N | — | — |
| Ew | — | — | — | - mm |
| Basic Dynamic Load Rating, Radial (Cr) | 1,140,000 N | — | — | — |
| Axial Rating | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | 1170 kN |
| Basic Static Load Rating, Radial (C0R) | 1,610,000 N | — | — | — |
| Dynamic Rating C1 | — | 1,250,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 1340 kN |
| Raceway Diameter Inner Ring (F) | 293 mm | — | — | — |
| Dynamic Rating C90 | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 150 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — | — | — |
| Dynamic Axial Rating Ca90 | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 1200 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | 257 mm | — | — | — |
| Dynamic Axial Rating Ca1 | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 1500 min-1 |
| Operating Temperature Max. (Tmax) | 150 °C | — | — | — |
| Static Radial Rating C0 | — | 1,570,000 N | — | — |
| Sd1 | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | 2,320 1/min | — | — | — |
| Extended Dynamic Rating Ce | — | 0 N | — | — |
| B1 | — | — | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | 315 mm | — | — | — |
| Static Axial Rating C0A | — | 0 N | — | — |
| B2 | — | — | — | - mm |
| Reference Speed (Nϑr) | 1,220 1/min | — | — | — |
| Da(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | 3 mm | — | — | — |
| Db(Min.) | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | 423 mm | — | — | — |
| Db(Max.) | — | — | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | 312 mm | — | — | — |
| Dc(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | — | — | — |
| Dd(Min.) | — | — | — | - mm |
| Axial Displacement (S) | 6 mm | — | — | — |
| Da(Max.) | — | — | — | 424 mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | 376.6 mm | — | — | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 290 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | 4 mm | — | — | — |
| Ra(Max.) | — | — | — | 3 mm |
| Raceway Diameter Outer Ring (E) | 393 mm | — | — | — |
| Rb(Max.) | — | — | — | 3 mm |
| Fatigue Load Limit, Radial (Cur) | 171,000 N | — | — | — |
| Mass(Refer.) | — | — | — | 53.4 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.