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.
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One base designation across loaded brands
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Data incomplete
“38880” across 2 loaded brands
The base designation is shared, but too few brands have complete boundary dimensions. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF38880/38820263.525 × 325.438 × mm | TIMKEN38880 / 38820263.525 × 325.438 × 28.575 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | 38880/38820 | 38880 / 38820 |
| Product family | Tapered roller bearings | TS - Tapered Single |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings |
| Series | — | 38800 |
| Bore diameterd | 263.525 mm | 263.525 mm |
| Outside diameterD | 325.438 mm | 325.438 mm |
| WidthB | — | 28.575 mm |
| Basic dynamic load ratingC | 273 kN | 221 kN |
| Basic static load ratingC0 | 550 kN | 554 kN |
| Fatigue load limitPu | 48 kN | — |
| Reference speednref | 1400 r/min | — |
| Limiting speednG | 1700 r/min | — |
| Mass≈m | 5.28 kg | 5.2 kg |
| Precision class | — | ABMA Class 2 |
| Sealing | Without | Open |
| Cage | Sheet metal | Steel cage |
| Lubricant | None | — |
| Calculation Factors | ||
| K Factor | — | 1.60 |
| Y1 Factor | — | 1.64 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.90 |
| E Factor | — | 0.37 |
| Cg Factor | — | 0.1676 |
| Dimensions | ||
| Width, total | 28.575 mm | — |
| Width, inner ring | 28.575 mm | — |
| Width, outer ring | 25.4 mm | — |
| Contact angle | 13.7 ° | — |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | max. 282 mm | — |
| Diameter of shaft abutmentd b | min. 276.5 mm | — |
| Diameter of housing abutmentD a | max. 313 mm | — |
| Diameter of housing abutmentD b | min. 313 mm | — |
| Minimum width of space required in housing on large side faceC a | min. 4 mm | — |
| Minimum width of space required in housing on small side faceC b | min. 3 mm | — |
| Radius of shaft filletr a | max. 1.5 mm | — |
| Radius of housing filletr b | max. 1.5 mm | — |
| Engineering — Calculation data | ||
| SKF performance class | SKF Explorer | — |
| Limiting valuee | 0.37 | — |
| Calculation factorY | 1.6 | — |
| Calculation factorY 0 | 0.9 | — |
| Engineering — Dimensions | ||
| Bearing width, totalT | 28.575 mm | — |
| Shoulder diameter of inner ringd 1 | ≈ 293.2 mm | — |
| Width of inner ringB | 28.575 mm | — |
| Width of outer ringC | 25.4 mm | — |
| Chamfer dimension of inner ringr 1,2 | min. 1.5 mm | — |
| Chamfer dimension of outer ringr 3,4 | min. 1.5 mm | — |
| Distance side face to pressure pointa | 48.975 mm | — |
| Engineering — Engineering specifications | ||
| Dimension series | 38800 | — |
| Logistics | ||
| Product net weight | 5.28 kg | — |
| eClass code | 23-05-09-10 | — |
| UNSPSC code | 31171516 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000100384770 |
| World Assembly Part Number | — | 38880_38820 |
| Inner Ring Part Number | — | 38880 |
| Outer Ring Part Number | — | 38820 |
| Drawing Number | — | C-45944 |
| Upc | — | 0013992332554 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.327 |
| Product identity | ||
| Official product category | Tapered roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings | — |
| Structure group ID | BT1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| Product Identity | ||
| Type Description | — | TS - Tapered Single |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 10.3750 in Bore | 12.8125 in OD | 1.1250 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 | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 19.5 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 6.5 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 31.375 mm |
| Radial Rating | — | 57,400 N |
| Axial Rating | — | 35,900 N |
| Dynamic Rating C1 | — | 221,000 N |
| Dynamic Rating C90 | — | 57,400 N |
| Dynamic Axial Rating Ca90 | — | 35,900 N |
| Dynamic Axial Rating Ca1 | — | 139,000 N |
| Static Radial Rating C0 | — | 554,000 N |
| Extended Dynamic Rating Ce | — | 0 N |
| Static Axial Rating C0A | — | 590,000 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.