Deep groove ball bearings
61938X1M Deep Groove Ball Bearing Dimensions & Specifications
61938X1M deep groove ball bearing: 190 mm bore (d), 269.5 mm outside diameter (D), 33 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 190 mm |
|---|---|
| Outside diameter D | 269.5 mm |
| Width B | 33 mm |
| Mass | 6.87 kg |
| Catalogue dynamic load Cr | 127 kN |
| Catalogue static load Cor | 138 kN |
| Grease-lubricated speed grease | 2200 rpm |
| Oil-lubricated speed oil | 2800 rpm |
Mounting dimensions & additional parameters (5)
| Abutment dimension Da Da | 260 mm |
|---|---|
| Abutment dimension da da | 190 mm |
| Minimum chamfer r12 r12 | 2.0 mm |
| Factor f0 f0 | 16 |
| 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 61938X1M?
The 61938X1M catalogue lists da = 190 mm; Da = 260 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 61938X1M?
The listed values for 61938X1M are grease: 2200 rpm; oil: 2800 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 61938X1M?
The catalogue reference mass for 61938X1M is 6.87 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

