Metric single-row tapered roller bearings
32976 Tapered Roller Bearing Dimensions & Specifications
32976 tapered roller bearing: 380 mm bore (d), 520 mm outside diameter (D), 87 mm overall width (T). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 380 mm |
|---|---|
| Outside diameter D | 520 mm |
| Overall width T | 87 mm |
| Inner-ring width B | 82 mm |
| Outer-ring width C | 71 mm |
| Mass | 49.5 kg |
| Catalogue dynamic load Cr | 1210 kN |
| Catalogue static load Cor | 2550 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 487 mm |
|---|---|
| Abutment dimension Db Db | 508 mm |
| Abutment dimension da da | 418 mm |
| Abutment dimension db db | 396 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.6 |
| Factor Y0 Y0 | 0.86 |
| Factor e e | 0.39 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 95.2 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which width should I use when checking 32976?
For 32976, the complete bearing width T is 87 mm; the inner-ring width B is 82 mm. The outer-ring width C is 71 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 32976?
The 32976 catalogue lists da = 418 mm; Da = 487 mm; ra ≤ 4 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.
What is the reference mass of 32976?
The catalogue reference mass for 32976 is 49.5 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

