Cross-brand designation analysis
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You entered HM88542-10. This table explores the base group HM88542; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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Dimensions differ
“HM88542” 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 | SKFHM 88542/51031.75 × 73.025 × mm | TIMKENHM88542 / HM8851031.75 × 73.025 × 29.37 mm | KOYOHM88542/1031.75 × 73.025 × 27.783 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | HM 88542/510 | HM88542 / HM88510 | HM88542/10 |
| Product family | Tapered roller bearings | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings | Tapered roller bearings |
| Series | — | HM88500 | — |
| Bore diameterd | 31.75 mm | 31.75 mm | 31.75 mm |
| Outside diameterD | 73.025 mm | 73.025 mm | 73.025 mm |
| WidthB | — | 29.37 mm | 27.783 mm |
| Basic dynamic load ratingC | 86.5 kN | 103 kN | 93 kN |
| Basic static load ratingC0 | 95 kN | 111 kN | 101 kN |
| Fatigue load limitPu | 10.4 kN | — | 14.2 kN |
| Reference speednref | 7500 r/min | — | — |
| Limiting speednG | 9000 r/min | — | 5600 r/min |
| Mass≈m | 0.618 kg | 0.61 kg | 0.615 kg |
| Precision class | — | ABMA Class 7 | — |
| Sealing | Without | Open | — |
| Cage | Sheet metal | Steel cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 1.07 | — |
| Y1 Factor | — | 1.10 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.60 | — |
| E Factor | — | 0.55 | — |
| Cg Factor | — | 0.0857 | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Inch series |
| Dimensions | |||
| Width, total | 29.37 mm | — | — |
| Width, inner ring | 27.783 mm | — | — |
| Width, outer ring | 23.02 mm | — | — |
| Contact angle | 20.0 ° | — | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | max. 42 mm | — | — |
| Diameter of shaft abutmentd b | min. 39.5 mm | — | — |
| Diameter of housing abutmentD a | max. 62 mm | — | — |
| Diameter of housing abutmentD b | min. 69 mm | — | — |
| Minimum width of space required in housing on large side faceC a | min. 3 mm | — | — |
| Minimum width of space required in housing on small side faceC b | min. 6 mm | — | — |
| Radius of shaft filletr a | max. 1.2 mm | — | — |
| Radius of housing filletr b | max. 3.3 mm | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Limiting valuee | 0.54 | — | — |
| Calculation factorY | 1.1 | — | — |
| Calculation factorY 0 | 0.6 | — | — |
| Engineering — Dimensions | |||
| Bearing width, totalT | 29.37 mm | — | — |
| Shoulder diameter of inner ringd 1 | ≈ 56.9 mm | — | — |
| Width of inner ringB | 27.783 mm | — | — |
| Width of outer ringC | 23.02 mm | — | — |
| Chamfer dimension of inner ringr 1,2 | min. 1.2 mm | — | — |
| Chamfer dimension of outer ringr 3,4 | min. 3.3 mm | — | — |
| Distance side face to pressure pointa | 23.276 mm | — | — |
| Engineering — Engineering specifications | |||
| Dimension series | HM 88500 | — | — |
| Logistics | |||
| Product net weight | 0.618 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000100204623 | — |
| Official Class Key | — | — | 050-010-020 |
| World Assembly Part Number | — | HM88542_HM88510 | — |
| Inner Ring Part Number | — | HM88542 | — |
| Outer Ring Part Number | — | HM88510 | — |
| Drawing Number | — | A-21914 | — |
| Upc | — | 0053893664903 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:47.077 | — |
| 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 | No | — | — |
| Product Identity | |||
| Type Description | — | TS - Tapered Single | — |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.2500 in Bore | 2.8750 in OD | 1.1563 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 7 | — |
| 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 | 2.3 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 73.025 mm |
| T | — | — | 29.370 mm |
| B | — | — | 27.783 mm |
| C | — | — | 23.020 mm |
| Overall Width | — | 31.783 mm | — |
| R(Min.) | — | — | 1.2 mm |
| Radial Rating | — | 26,700 N | — |
| R1(Min.) | — | — | 3.2 mm |
| Axial Rating | — | 25,000 N | — |
| Basic Load Ratings : Cr | — | — | 93.0 kN |
| Dynamic Rating C1 | — | 103,000 N | — |
| Basic Load Ratings : C0R | — | — | 101 kN |
| Dynamic Rating C90 | — | 26,700 N | — |
| Fatigue Load Limit : Cu | — | — | 14.2 kN |
| Dynamic Axial Rating Ca90 | — | 25,000 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 5600 min-1 |
| Dynamic Axial Rating Ca1 | — | 96,400 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 7500 min-1 |
| Static Radial Rating C0 | — | 111,000 N | — |
| Load Center Spread : A | — | — | 23.4 mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant :E | — | — | 0.55 |
| Static Axial Rating C0A | — | 176,000 N | — |
| Axial Load Factors : Y1 | — | — | 1.10 |
| Axial Load Factors : Y0 | — | — | 0.60 |
| Da | — | — | 59.0 mm |
| Db | — | — | 70.0 mm |
| Ra(Max.) | — | — | 1.2 mm |
| Rb(Max.) | — | — | 3.2 mm |
| Mass(Refer.) | — | — | 0.615 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.