Deep groove ball bearings
6321 Deep Groove Ball Bearing Dimensions & Specifications
6321 deep groove ball bearing: 105 mm bore (d), 225 mm outside diameter (D), 49 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 105 mm |
|---|---|
| Outside diameter D | 225 mm |
| Width B | 49 mm |
| Mass | 8.25 kg |
| Catalogue dynamic load Cr | 184 kN |
| Catalogue static load Cor | 154 kN |
| Grease-lubricated speed grease | 2800 rpm |
| Oil-lubricated speed oil | 3400 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 212 mm |
|---|---|
| Abutment dimension da da | 118 mm |
| Minimum chamfer r12 r12 | 3.0 mm |
| Factor f0 f0 | 13 |
| 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 6321?
The 6321 catalogue lists da = 118 mm; Da = 212 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 6321?
The listed values for 6321 are grease: 2800 rpm; oil: 3400 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 6321?
The catalogue reference mass for 6321 is 8.25 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.