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| Parameter | SKF53420 M100 × 210 × mm | NSK53420X100 × 210 × 90 mm | KOYO53420100 × 210 × 90 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | NSK | KOYO |
| Designation | 53420 M | 53420X | 53420 |
| Product family | Thrust ball bearings | Axial deep groove ball bearing | Single direction / With flat back faces |
| Detailed type | Single direction thrust ball bearing with sphered housing washer | Axial deep groove ball bearings | Axial deep groove ball bearings |
| Bore diameterd | 100 mm | 100 mm | 100 mm |
| Outside diameterD | 210 mm | 210 mm | 210 mm |
| WidthB | — | 90 mm | 90 mm |
| HeightH | 90 mm | — | — |
| Basic dynamic load ratingC | 371 kN | — | — |
| Basic static load ratingC0 | 1060 kN | — | — |
| Fatigue load limitPu | 31.5 kN | — | 35.7 kN |
| Reference speednref | 950 r/min | — | — |
| Limiting speednG | 1300 r/min | — | 620 r/min |
| Mass≈m | 14.7 kg | 15 kg | 14.5 kg |
| Cage | Machined brass | — | — |
| Bearing material | Bearing steel | — | — |
| Aligning-seat geometry | |||
| Aligning-seat geometric referenceA | — | 50 mm | — |
| Spherical seat radiusR | — | 160 mm | — |
| Assembly boundary dimensions | |||
| Shaft-washer bore diameterd | — | 100 mm | — |
| Overall outside diameterD | — | 210 mm | — |
| Complete assembled heightT3 | — | 90 mm | — |
| Axial load ratings | |||
| Basic dynamic axial load ratingCa | — | 370000 N | — |
| Basic static axial load ratingC0a | — | 985000 N | — |
| Chamfers | |||
| Minimum housing-side chamferr min. | — | 3 mm | — |
| Classification | |||
| Official Category Path | — | — | Thrust ball bearings - Single direction - With flat back faces |
| Official Classification 1 | — | — | Thrust ball bearings / Single direction / With flat back faces |
| Component dimensions | |||
| Shaft washer outside diameterd1 | — | 205 mm | — |
| Housing washer bore diameterD1 | — | 103 mm | — |
| Construction | |||
| Axial load directions | — | One direction | — |
| Seat construction | — | Aligning seat | — |
| Radial-load support | — | Not suitable for radial load; separate radial support required | — |
| Dimensions | |||
| Radius of aligning surface | 160.0 mm | — | — |
| Engineering — Abutment dimensions | |||
| Abutment diameter shaftd a | min. 165 mm | — | — |
| Abutment diameter housingD a | max. 155 mm | — | — |
| Fillet radiusr a | max. 2 mm | — | — |
| Engineering — Associated products | |||
| Seat washer | U 420 | — | — |
| Engineering — Calculation data | |||
| Minimum load factorA | 5.8 | — | — |
| Engineering — Dimensions | |||
| Height bearing including seat washerH 1 | 98 mm | — | — |
| Outside diameter shaft washerd 1 | ≈ 205 mm | — | — |
| Inner diameter housing washerD 1 | ≈ 103 mm | — | — |
| Inner diameter seat washerD 2 | 155 mm | — | — |
| Outside diameter seat washerD 3 | 220 mm | — | — |
| Height seat washerC | 27 mm | — | — |
| Radius sphered housing washerR | 160 mm | — | — |
| Centre height housing washer spheres | 50 mm | — | — |
| Chamfer dimension washerr 1,2 | min. 3 mm | — | — |
| Logistics | |||
| Product net weight | 14.7 kg | — | — |
| eClass code | 23-05-10-01 | — | — |
| UNSPSC code | 31171507 | — | — |
| Lubrication-qualified speed | |||
| Limiting speed — grease | — | 710 r/min | — |
| Limiting speed — oil | — | 1100 r/min | — |
| Manufacturer Identity | |||
| Official Class Key | — | — | 070-010-000 |
| Mass reference | |||
| Approximate assembly mass | — | 15 kg | — |
| Mounting dimensions | |||
| Minimum shaft abutment diameterda min. | — | 165 mm | — |
| Maximum housing abutment diameterDa max. | — | 145 mm | — |
| Maximum housing-side fillet radiusra max. | — | 2.5 mm | — |
| Product identity | |||
| Official product category | Thrust ball bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/thrust-ball-bearings | — | — |
| Structure group ID | BD1_001_BDC_001 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Properties | |||
| Axial load capability | Single-direction | — | — |
| Number of rows | 1 | — | — |
| Housing washer type | Sphered | — | — |
| Tolerance class | Normal | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Indicative carbon footprint for new product | 54.4 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 210 mm |
| T | — | — | 90 mm |
| R(Min.) | — | — | 3 mm |
| Basic Load Ratings Ca | — | — | 460 kN |
| Basic Load Ratings C0A | — | — | 983 kN |
| Fatigue Load Limit : Cu | — | — | 35.7 kN |
| Limiting Speeds(Grease Lub.) | — | — | 620 min-1 |
| Limiting Speeds(Oil Lub.) | — | — | 950 min-1 |
| D1(Max.) | — | — | 205 mm |
| D1(Min.) | — | — | 103 mm |
| D2 | — | — | - mm |
| D3 | — | — | - mm |
| A | — | — | 50 mm |
| R | — | — | 160 mm |
| C | — | — | - mm |
| Da(Min.) | — | — | 165 mm |
| Da(Max.) | — | — | 145 mm |
| Ra(Max.) | — | — | 2.5 mm |
| Mass(Refer.) | — | — | 14.5 kg |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.