Deep groove ball bearings
6228M Deep Groove Ball Bearing Dimensions & Specifications
6228M deep groove ball bearing: 140 mm bore (d), 250 mm outside diameter (D), 42 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 140 mm |
|---|---|
| Outside diameter D | 250 mm |
| Width B | 42 mm |
| Mass | 9.44 kg |
| Catalogue dynamic load Cr | 166 kN |
| Catalogue static load Cor | 150 kN |
| Grease-lubricated speed grease | 2400 rpm |
| Oil-lubricated speed oil | 3000 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 237 mm |
|---|---|
| Abutment dimension da da | 153 mm |
| Minimum chamfer r12 r12 | 3.0 mm |
| Factor f0 f0 | 15 |
| Maximum fillet ra ra | 2.5 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for 6228M?
The 6228M catalogue lists da = 153 mm; Da = 237 mm; ra ≤ 2.5 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 6228M?
The listed values for 6228M are grease: 2400 rpm; oil: 3000 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 6228M?
The catalogue reference mass for 6228M is 9.44 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

