Single-row cylindrical roller bearings
NU3238M Cylindrical Roller Bearing Dimensions & Specifications
NU3238M cylindrical roller bearing: 190 mm bore (d), 340 mm outside diameter (D), 120 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 | 340 mm |
| Width B | 120 mm |
| Mass | 49.3 kg |
| Catalogue dynamic load Cr | 1070 kN |
| Catalogue static load Cor | 1780 kN |
| Grease-lubricated speed grease | 1400 rpm |
| Oil-lubricated speed oil | 1600 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 317 mm |
|---|---|
| Abutment dimension db db | 211 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 3 mm |
| Roller envelope diameter Fw Fw | 231 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU3238M?
The NU3238M catalogue lists Da = 317 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 NU3238M?
The listed values for NU3238M are grease: 1400 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 NU3238M?
The catalogue reference mass for NU3238M is 49.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.