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| Parameter | SKFNJ 210 ECJ50 × 90 × 20 mm | FAGNJ210-E-XL-M150 × 90 × 20 mm | NSKNJ210EW50 × 90 × 20 mm | KOYONJ210R50 × 90 × 20 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | NJ 210 ECJ | NJ210-E-XL-M1 | NJ210EW | NJ210R |
| Product family | Cylindrical roller bearings | — | Cylindrical roller bearing | Single-row / NJ |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NJ210 | — | — |
| Bore diameterd | 50 mm | 50 mm | 50 mm | 50 mm |
| Outside diameterD | 90 mm | 90 mm | 90 mm | 90 mm |
| WidthB | 20 mm | 20 mm | 20 mm | 20 mm |
| Basic dynamic load ratingC | 73.5 kN | 75 kN | 85 kN | 82.5 kN |
| Basic static load ratingC0 | 69.5 kN | 69 kN | 76.5 kN | 71.9 kN |
| Fatigue load limitPu | 8.8 kN | 11.3 kN | — | 9.85 kN |
| Reference speednref | 8500 r/min | 6600 r/min | — | — |
| Limiting speednG | 9000 r/min | 14500 r/min | — | 7100 r/min |
| Mass≈m | 0.517 kg | 0.553 kg | — | 0.511 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | — | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | Pressed steel | — |
| Lubricant | None | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — |
| Additional information | ||||
| L-washer | — | HJ210-E | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 20 mm | — |
| Minimum bearing chamferr min. | — | — | 1.1 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 1.1 mm | — |
| Roller inscribed circle diameterFw | — | — | 59.5 mm | — |
| 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 | — | — | 0.5 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 | — | — | Pressed steel | — |
| Standard cage marking | — | — | W | — |
| Other cage codes listed for this catalogue row | — | — | M, T, T7 | — |
| 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 | — | 1.1 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.043 in | — | — |
| Minimum chamfer dimensionr1 min | — | 1.1 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.043 in | — | — |
| Axial displacements | — | 1.3 mm | — | — |
| Axial displacements | — | 0.051 in | — | — |
| Raceway diameter outer ringE | — | 81.5 mm | — | — |
| Raceway diameter outer ringE | — | 3.209 in | — | — |
| Raceway diameter inner ringF | — | 59.5 mm | — | — |
| Raceway diameter inner ringF | — | 2.343 in | — | — |
| Minimum rib diameter outer ringD1 min | — | 78.32 mm | — | — |
| Minimum rib diameter outer ringD1 min | — | 3.083 in | — | — |
| Maximum rib diameter inner ringd1 | — | 63.95 mm | — | — |
| Maximum rib diameter inner ringd1 | — | 2.518 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 57.5 mm | — | — | — |
| Diameter of shaft abutmentd b | min. 66 mm | — | — | — |
| Diameter of housing abutmentD a | max. 82.4 mm | — | — | — |
| Radius of filletr a | max. 1 mm | — | — | — |
| Engineering — Associated products | ||||
| Angle ring | HJ 210 EC | — | — | — |
| Engineering — Calculation data | ||||
| SKF performance class | SKF Explorer | — | — | — |
| Minimum load factork r | 0.15 | — | — | — |
| Limiting valuee | 0.2 | — | — | — |
| Calculation factorY | 0.6 | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter of inner ringd 1 | ≈ 64 mm | — | — | — |
| Shoulder diameter of outer ringD 1 | ≈ 77.4 mm | — | — | — |
| Raceway diameter of inner ringF | 59.5 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 1.1 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — |
| Permissible axial displacements | max. 1.5 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 85000 N | — |
| Basic static radial load ratingC0r | — | — | 76500 N | — |
| Logistics | ||||
| Product net weight | 0.517 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 8000 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | 11000 r/min | — |
| Limiting speed — grease | — | — | 6300 r/min | — |
| Limiting speed — oil bath | — | — | 7500 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 75,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 16,861.511 lbf | — | — |
| Basic static load rating, radialC0r | — | 69,000 N | — | — |
| Basic static load rating, radialC0r | — | 15,512.59 lbf | — | — |
| Fatigue load limit, radialCur | — | 11,300 N | — | — |
| Fatigue load limit, radialCur | — | 2,540.468 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 371198 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | — | NJ210 | — | — |
| Old Designation | — | ["NJ210-E-M1","NJ210E.M1"] | — | — |
| Gpsd Group | — | F01 | — | — |
| Product Line Id | — | 12 | — | — |
| X Life Marking | — | XL | — | — |
| SAP material number | — | 0190073880000 | — | — |
| Base product | — | 2305090111 | — | — |
| Bearing X designation | — | NJ210-E-XL-M1 | — | — |
| Mounting Manager ID | — | NJ210-E-XL-M1 | — | — |
| Grease application ID | — | NJ210-E-XL-M1 | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | — | 57 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 2.244 in | — | — |
| Maximum diameter of shaft shoulderda max | — | 58 mm | — | — |
| Maximum diameter of shaft shoulderda max | — | 2.283 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 83 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 3.268 in | — | — |
| Minimum shaft shoulderdc min | — | 67 mm | — | — |
| Minimum shaft shoulderdc min | — | 2.638 in | — | — |
| Maximum recess radiusra max | — | 1 mm | — | — |
| Maximum recess radiusra max | — | 0.039 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | 56.5 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 83.5 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 57 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 1 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 1 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 | ||||
| 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 | No | — | — | — |
| 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 | — | — |
| Short Description | — | Cylindrical roller bearing | — | — |
| Properties | ||||
| Bearing part | Complete bearing | — | — | — |
| Axial displacement capability | In one direction | — | — | — |
| Number of rows | 1 | — | — | — |
| 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 | — | — | — |
| Indicative carbon footprint for new product | 1.9 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 90 mm |
| B | — | — | — | 20 mm |
| R(Min.) | — | — | — | 1.1 mm |
| R1(Min.) | — | — | — | 1.1 mm |
| Bore Diameter (D) | — | 50 mm | — | — |
| Fw | — | — | — | 59.5 mm |
| Outside Diamater (D) | — | 90 mm | — | — |
| Ew | — | — | — | - mm |
| Total Width (B) | — | 20 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 82.5 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 75,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 71.9 kN |
| Basic Static Load Rating, Radial (C0R) | — | 69,000 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 9.85 kN |
| Raceway Diameter Inner Ring (F) | — | 59.5 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 7100 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 8500 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 57 mm | — | — |
| Sd1 | — | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| B1 | — | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 14,500 1/min | — | — |
| B2 | — | — | — | - mm |
| Minimum Shaft Shoulder (Dc Min) | — | 67 mm | — | — |
| Da(Min.) | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 6,600 1/min | — | — |
| Db(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 1 mm | — | — |
| Db(Max.) | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 83 mm | — | — |
| Dc(Min.) | — | — | — | - mm |
| Maximum Rib Diameter Inner Ring (D1) | — | 63.95 mm | — | — |
| Dd(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | — | — |
| Da(Max.) | — | — | — | 83.5 mm |
| Axial Displacement (S) | — | 1.3 mm | — | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 78.32 mm | — | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 58 mm | — | — |
| Ra(Max.) | — | — | — | 1 mm |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 mm | — | — |
| Rb(Max.) | — | — | — | 1 mm |
| Raceway Diameter Outer Ring (E) | — | 81.5 mm | — | — |
| Mass(Refer.) | — | — | — | 0.511 kg |
| Fatigue Load Limit, Radial (Cur) | — | 11,300 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 | — | — |
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