Deep groove ball bearings
6344 Deep Groove Ball Bearing Dimensions & Specifications
6344 deep groove ball bearing: 220 mm bore (d), 460 mm outside diameter (D), 88 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 220 mm |
|---|---|
| Outside diameter D | 460 mm |
| Width B | 88 mm |
| Mass | 73.9 kg |
| Catalogue dynamic load Cr | 410 kN |
| Catalogue static load Cor | 520 kN |
| Grease-lubricated speed grease | 1300 rpm |
| Oil-lubricated speed oil | 1600 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 431 mm |
|---|---|
| Abutment dimension da da | 250 mm |
| Minimum chamfer r12 r12 | 5.0 mm |
| Factor f0 f0 | 14 |
| 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 6344?
The 6344 catalogue lists da = 250 mm; Da = 431 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 6344?
The listed values for 6344 are grease: 1300 rpm; oil: 1600 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 6344?
The catalogue reference mass for 6344 is 73.9 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.