Deep groove ball bearings
61980 Deep Groove Ball Bearing Dimensions & Specifications
61980 deep groove ball bearing: 400 mm bore (d), 540 mm outside diameter (D), 65 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 400 mm |
|---|---|
| Outside diameter D | 540 mm |
| Width B | 65 mm |
| Mass | 42.0 kg |
| Catalogue dynamic load Cr | 335 kN |
| Catalogue static load Cor | 540 kN |
| Grease-lubricated speed grease | 950 rpm |
| Oil-lubricated speed oil | 1200 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 513 mm |
|---|---|
| Abutment dimension da da | 433 mm |
| Minimum chamfer r12 r12 | 4.0 mm |
| Factor f0 f0 | 17 |
| Maximum fillet ra ra | 3 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for 61980?
The 61980 catalogue lists da = 433 mm; Da = 513 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 speed values are available for 61980?
The listed values for 61980 are grease: 950 rpm; oil: 1200 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 61980?
The catalogue reference mass for 61980 is 42.0 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.