Cross-brand designation analysis
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You entered NJ2340-EX-TB-M1. This table explores the base group NJ2340; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“NJ2340” across 5 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 | SKFNJ 2340 ECML200 × 420 × 138 mm | FAGNJ2340-EX-TB-M1200 × 420 × 138 mm | TIMKENNJ2340EMA200 × 420 × 138 mm | NSKNJ2340EM200 × 420 × 138 mm | KOYONJ2340200 × 420 × 138 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NJ 2340 ECML | NJ2340-EX-TB-M1 | NJ2340EMA | NJ2340EM | NJ2340 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NJ |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NJ2340 | EX27658 | — | — |
| Bore diameterd | 200 mm | 200 mm | 200 mm | 200 mm | 200 mm |
| Outside diameterD | 420 mm | 420 mm | 420 mm | 420 mm | 420 mm |
| WidthB | 138 mm | 138 mm | 138 mm | 138 mm | 138 mm |
| Basic dynamic load ratingC | 1980 kN | 2040 kN | 2250 kN | 2350 kN | 1890 kN |
| Basic static load ratingC0 | 2800 kN | 2900 kN | 2760 kN | 2760 kN | 2240 kN |
| Fatigue load limitPu | 255 kN | 315 kN | — | — | 244 kN |
| Reference speednref | 1400 r/min | 940 r/min | — | — | — |
| Limiting speednG | 2800 r/min | 2330 r/min | — | — | 1100 r/min |
| Mass≈m | 94 kg | 98.3 kg | 95 kg | — | 98.6 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | Without | — | Open | — | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | Machined brass | — |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Additional information | |||||
| L-washer | — | HJ2340-E | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 138 mm | — |
| Minimum bearing chamferr min. | — | — | — | 5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 5 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 253 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 | — | — | 0.1657 | — | — |
| 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 | — | — | — | 99.3 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 | — | — | — | No optimized-crowning asterisk on this row | — |
| Dimensions | |||||
| Minimum chamfer dimensionrmin | — | 5 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.197 in | — | — | — |
| Minimum chamfer dimensionr1 min | — | 5 mm | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.197 in | — | — | — |
| Axial displacements | — | 11.3 mm | — | — | — |
| Axial displacements | — | 0.445 in | — | — | — |
| Raceway diameter outer ringE | — | 400 mm | — | — | — |
| Raceway diameter outer ringE | — | 15.748 in | — | — | — |
| Raceway diameter inner ringF | — | 253 mm | — | — | — |
| Raceway diameter inner ringF | — | 9.961 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 352.2 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 13.866 in | — | — | — |
| Maximum rib diameter inner ringd1 | — | 277.8 mm | — | — | — |
| Maximum rib diameter inner ringd1 | — | 10.937 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 247 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 282 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 399.8 mm | — | — | — | — |
| Radius of filletr a | max. 4 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| Minimum load factork r | 0.38 | — | — | — | — |
| Limiting valuee | 0.3 | — | — | — | — |
| Calculation factorY | 0.4 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of inner ringd 1 | ≈ 278 mm | — | — | — | — |
| Shoulder diameter of outer ringD 1 | ≈ 357.6 mm | — | — | — | — |
| Raceway diameter of inner ringF | 253 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 5 mm | — | — | — | — |
| Permissible axial displacements | max. 9.4 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 2350000 N | — |
| Basic static radial load ratingC0r | — | — | — | 2760000 N | — |
| Logistics | |||||
| Product net weight | 94.0 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 1300 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 1900 r/min | — |
| Limiting speed — grease | — | — | — | 1200 r/min | — |
| Limiting speed — oil bath | — | — | — | 1500 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 2,040,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 458,633.094 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 2,900,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 651,978.417 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 315,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 70,818.345 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 372835 | — | — | — |
| Material Number | — | — | 000000000190019919 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NJ2340 | — | — | — |
| World Assembly Part Number | — | — | NJ2340EMA | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Inner Ring Part Number | — | — | 200ARJE23 | — | — |
| Product Line Id | — | 75 | — | — | — |
| Outer Ring Part Number | — | — | 200ERUE23 | — | — |
| Drawing Number | — | — | M103915 | — | — |
| Upc | — | — | 0087796303058 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.753 | — | — |
| SAP material number | — | 0812888080000 | — | — | — |
| Base product | — | 2305090111 | — | — | — |
| Bearing X designation | — | NJ2340-EX-TB-M1 | — | — | — |
| Mounting Manager ID | — | NJ2340-EX-TB-M1 | — | — | — |
| Grease application ID | — | NJ2340-EX-TB-M1 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 220 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 8.661 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 250.7 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 9.87 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 400 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 15.748 in | — | — | — |
| Minimum shaft shoulderdc min | — | 279 mm | — | — | — |
| Minimum shaft shoulderdc min | — | 10.984 in | — | — | — |
| Maximum recess radiusra max | — | 4 mm | — | — | — |
| Maximum recess radiusra max | — | 0.157 in | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 220 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 400 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 247 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 4 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 4 mm | — |
| Product characteristics | |||||
| DesignTB | — | Bearings with increased axial load capacity | — | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — | — |
| Number of rows1 | — | Single-row design | — | — | — |
| Product identity | |||||
| Official product category | Cylindrical roller bearings | — | — | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings | — | — | — | — |
| Structure group ID | BC1_001_101 | — | — | — | — |
| Available from SKF | Yes | — | — | — | — |
| Remanufacturable | Yes | — | — | — | — |
| Product Identity | |||||
| Construction | — | Cylindrical roller bearing NJ..-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 | 7.8740 in Bore | 16.5354 in OD | 5.4331 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 | — | 1 | — | — |
| Tapered Bore | — | — | N | — | — |
| Properties | |||||
| Bearing part | Complete bearing | — | — | — | — |
| Axial displacement capability | In one direction | — | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — | — |
| Bore type | Cylindrical | — | — | — | — |
| Number of flanges, outer ring | 2 | — | — | — | — |
| Number of flanges, inner ring | 1 | — | — | — | — |
| Loose flange | None | — | — | — | — |
| Radial internal clearance | CN | — | — | — | — |
| Tolerance class | Normal | — | — | — | — |
| Coating | Without | — | — | — | — |
| Relubrication feature | Without | — | — | — | — |
| Candidate for remanufacturing | Yes | — | — | — | — |
| Indicative carbon footprint for new product | 348.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 116.0 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 420 mm |
| B | — | — | — | — | 138 mm |
| Bore Diameter (D) | — | 200 mm | — | — | — |
| R(Min.) | — | — | — | — | 5 mm |
| Outside Diamater (D) | — | 420 mm | — | — | — |
| R1(Min.) | — | — | — | — | 5 mm |
| Total Width (B) | — | 138 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 260 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,040,000 N | — | — | — |
| Radial Rating | — | — | 2,250,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 2,900,000 N | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 1890 kN |
| Raceway Diameter Inner Ring (F) | — | 253 mm | — | — | — |
| Dynamic Rating C1 | — | — | 2,250,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 2240 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 244 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 220 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 1100 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 1700 min-1 |
| Limiting Speed (Limiting Spe) | — | 2,330 1/min | — | — | — |
| Static Radial Rating C0 | — | — | 2,760,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | — | 279 mm | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| B1 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 940 1/min | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| B2 | — | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 400 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | — | 277.8 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 11.3 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 352.2 mm | — | — | — |
| Da(Max.) | — | — | — | — | 400 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 250.7 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 400 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | — | 315,000 N | — | — | — |
| Rb(Max.) | — | — | — | — | 4 mm |
| Mass(Refer.) | — | — | — | — | 98.6 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.