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You entered NJ248EMA. 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
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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.