Deep groove ball bearings
61988 Deep Groove Ball Bearing Dimensions & Specifications
61988 deep groove ball bearing: 440 mm bore (d), 600 mm outside diameter (D), 74 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 440 mm |
|---|---|
| Outside diameter D | 600 mm |
| Width B | 74 mm |
| Mass | 60.2 kg |
| Catalogue dynamic load Cr | 395 kN |
| Catalogue static load Cor | 680 kN |
| Grease-lubricated speed grease | 900 rpm |
| Oil-lubricated speed oil | 1100 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 512 mm |
|---|---|
| Abutment dimension da da | 475 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 61988?
The 61988 catalogue lists da = 475 mm; Da = 512 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 61988?
The listed values for 61988 are grease: 900 rpm; oil: 1100 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 61988?
The catalogue reference mass for 61988 is 60.2 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.