Deep groove ball bearings
6256 Deep Groove Ball Bearing Dimensions & Specifications
6256 deep groove ball bearing: 280 mm bore (d), 500 mm outside diameter (D), 80 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 280 mm |
|---|---|
| Outside diameter D | 500 mm |
| Width B | 80 mm |
| Mass | 71.0 kg |
| Catalogue dynamic load Cr | 400 kN |
| Catalogue static load Cor | 550 kN |
| Grease-lubricated speed grease | 1100 rpm |
| Oil-lubricated speed oil | 1400 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 470 mm |
|---|---|
| Abutment dimension da da | 312 mm |
| Minimum chamfer r12 r12 | 5.0 mm |
| Factor f0 f0 | 15 |
| Maximum fillet ra ra | 4 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for 6256?
The 6256 catalogue lists da = 312 mm; Da = 470 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 speed values are available for 6256?
The listed values for 6256 are grease: 1100 rpm; oil: 1400 rpm. These catalogue references do not determine a safe operating speed on their own. Confirm load, clearance, lubrication and heat conditions for the application.
What is the reference mass of 6256?
The catalogue reference mass for 6256 is 71.0 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.