Single-row cylindrical roller bearings
NU3168M Cylindrical Roller Bearing Dimensions & Specifications
NU3168M cylindrical roller bearing: 340 mm bore (d), 580 mm outside diameter (D), 190 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 340 mm |
|---|---|
| Outside diameter D | 580 mm |
| Width B | 190 mm |
| Mass | 214 kg |
| Catalogue dynamic load Cr | 3500 kN |
| Catalogue static load Cor | 6250 kN |
| Grease-lubricated speed grease | 700 rpm |
| Oil-lubricated speed oil | 1000 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 548 mm |
|---|---|
| Abutment dimension db db | 368 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 4 mm |
| Roller envelope diameter Fw Fw | 399 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU3168M?
The NU3168M catalogue lists Da = 548 mm; ra ≤ 4 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 NU3168M?
The listed values for NU3168M are grease: 700 rpm; oil: 1000 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 NU3168M?
The catalogue reference mass for NU3168M is 214 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

