Single-row cylindrical roller bearings
NU3038M Cylindrical Roller Bearing Dimensions & Specifications
NU3038M cylindrical roller bearing: 190 mm bore (d), 290 mm outside diameter (D), 75 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 | 290 mm |
| Width B | 75 mm |
| Mass | 18.3 kg |
| Catalogue dynamic load Cr | 565 kN |
| Catalogue static load Cor | 1010 kN |
| Grease-lubricated speed grease | 1800 rpm |
| Oil-lubricated speed oil | 2200 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 273 mm |
|---|---|
| Abutment dimension db db | 206 mm |
| Minimum chamfer r12 r12 | 2.1 mm |
| Minimum chamfer r34 r34 | 2.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Roller envelope diameter Fw Fw | 219 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU3038M?
The NU3038M catalogue lists Da = 273 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 NU3038M?
The listed values for NU3038M are grease: 1800 rpm; oil: 2200 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 NU3038M?
The catalogue reference mass for NU3038M is 18.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.