Metric single-row tapered roller bearings
32964 Tapered Roller Bearing Dimensions & Specifications
32964 tapered roller bearing: 320 mm bore (d), 440 mm outside diameter (D), 76 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 | 320 mm |
|---|---|
| Outside diameter D | 440 mm |
| Overall width T | 76 mm |
| Inner-ring width B | 76 mm |
| Outer-ring width C | 57 mm |
| Mass | 33.6 kg |
| Catalogue dynamic load Cr | 1000 kN |
| Catalogue static load Cor | 2320 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 428 mm |
|---|---|
| Abutment dimension Db Db | 426 mm |
| Abutment dimension da da | 334 mm |
| Abutment dimension db db | 343 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Factor Y Y | 1.4 |
| Factor Y0 Y0 | 0.8 |
| Factor e e | 0.42 |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 2.5 mm |
| Load centre dimension a a | 86 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 32964?
For 32964, the complete bearing width T is 76 mm; the inner-ring width B is 76 mm. The outer-ring width C is 57 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 32964?
The 32964 catalogue lists da = 334 mm; Da = 428 mm; ra ≤ 3 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 32964?
The catalogue reference mass for 32964 is 33.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

