Deep groove ball bearings
61956MA Deep Groove Ball Bearing Dimensions & Specifications
61956MA deep groove ball bearing: 280 mm bore (d), 380 mm outside diameter (D), 46 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 | 380 mm |
| Width B | 46 mm |
| Mass | 15.6 kg |
| Catalogue dynamic load Cr | 209 kN |
| Catalogue static load Cor | 272 kN |
| Grease-lubricated speed grease | 1500 rpm |
| Oil-lubricated speed oil | 1800 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 361 mm |
|---|---|
| Abutment dimension da da | 303 mm |
| Minimum chamfer r12 r12 | 2.1 mm |
| Factor f0 f0 | 17 |
| Maximum fillet ra ra | 2 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for 61956MA?
The 61956MA catalogue lists da = 303 mm; Da = 361 mm; ra ≤ 2 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 61956MA?
The listed values for 61956MA are grease: 1500 rpm; oil: 1800 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 61956MA?
The catalogue reference mass for 61956MA is 15.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.