Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
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 differ
“37431” across 3 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF37431 A/37625/VA983109.538 × 158.75 × mm | TIMKEN37431A / 37625109.538 × 158.75 × 23.02 mm | KOYO37431/625109.538 × 158.75 × 21.438 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | 37431 A/37625/VA983 | 37431A / 37625 | 37431/625 |
| Product family | Tapered roller bearings | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Special single row tapered roller bearing | Tapered roller bearings | Tapered roller bearings |
| Series | — | 37000 | — |
| Bore diameterd | 109.538 mm | 109.538 mm | 109.538 mm |
| Outside diameterD | 158.75 mm | 158.75 mm | 158.75 mm |
| WidthB | — | 23.02 mm | 21.438 mm |
| Basic dynamic load ratingC | 101 kN | 137 kN | 130 kN |
| Basic static load ratingC0 | 150 kN | 179 kN | 169 kN |
| Fatigue load limitPu | — | — | 23.9 kN |
| Reference speednref | 2800 r/min | — | — |
| Limiting speednG | 3800 r/min | — | 2200 r/min |
| Mass≈m | 1.31 kg | 1.32 kg | 1.332 kg |
| Precision class | — | ABMA Class 2 | — |
| Sealing | Without | Open | — |
| Cage | Sheet metal | Steel cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 0.96 | — |
| Y1 Factor | — | 0.99 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.54 | — |
| E Factor | — | 0.61 | — |
| Cg Factor | — | 0.1443 | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Inch series |
| Dimensions | |||
| Width, total | 23.02 mm | — | — |
| Width, inner ring | 21.438 mm | — | — |
| Width, outer ring | 15.875 mm | — | — |
| Contact angle | 22.0 ° | — | — |
| Logistics | |||
| Product net weight | 1.31 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000100028712 | — |
| Official Class Key | — | — | 050-010-020 |
| World Assembly Part Number | — | 37431A_37625 | — |
| Inner Ring Part Number | — | 37431A | — |
| Outer Ring Part Number | — | 37625 | — |
| Drawing Number | — | B-81826 | — |
| Upc | — | 0053893656984 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:46.32 | — |
| Product identity | |||
| Official product category | Tapered roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Type Description | — | TS - Tapered Single | — |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 4.3125 in Bore | 6.2500 in OD | 0.9063 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | 1 | — |
| Tapered Bore | — | N | — |
| Properties | |||
| Bearing part | Complete bearing | — | — |
| Locating feature, bearing outer ring | Without | — | — |
| Bore type | Cylindrical | — | — |
| Arrangement of contact angle (double-row bearing) | Not applicable | — | — |
| Matched arrangement | No | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Unit system | Inch | — | — |
| Indicative carbon footprint for new product | 4.9 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 158.750 mm |
| T | — | — | 23.020 mm |
| B | — | — | 21.438 mm |
| C | — | — | 15.875 mm |
| Overall Width | — | 27.238 mm | — |
| R(Min.) | — | — | 3.6 mm |
| Radial Rating | — | 35,400 N | — |
| R1(Min.) | — | — | 3.2 mm |
| Axial Rating | — | 36,700 N | — |
| Basic Load Ratings : Cr | — | — | 130 kN |
| Dynamic Rating C1 | — | 137,000 N | — |
| Basic Load Ratings : C0R | — | — | 169 kN |
| Dynamic Rating C90 | — | 35,400 N | — |
| Fatigue Load Limit : Cu | — | — | 23.9 kN |
| Dynamic Axial Rating Ca90 | — | 36,700 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 2200 min-1 |
| Dynamic Axial Rating Ca1 | — | 142,000 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 3000 min-1 |
| Static Radial Rating C0 | — | 179,000 N | — |
| Load Center Spread : A | — | — | 36.5 mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant :E | — | — | 0.61 |
| Static Axial Rating C0A | — | 315,000 N | — |
| Axial Load Factors : Y1 | — | — | 0.99 |
| Axial Load Factors : Y0 | — | — | 0.54 |
| Da | — | — | 143.0 mm |
| Db | — | — | 152.0 mm |
| Ra(Max.) | — | — | 6.4 mm |
| Rb(Max.) | — | — | 6.4 mm |
| Mass(Refer.) | — | — | 1.332 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.