Single-row cylindrical roller bearings
NU29/630 Cylindrical Roller Bearing Dimensions & Specifications
NU29/630 cylindrical roller bearing: 630 mm bore (d), 850 mm outside diameter (D), 128 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 630 mm |
|---|---|
| Outside diameter D | 850 mm |
| Width B | 128 mm |
| Mass | 220 kg |
| Catalogue dynamic load Cr | 3100 kN |
| Catalogue static load Cor | 6800 kN |
| Grease-lubricated speed grease | 600 rpm |
| Oil-lubricated speed oil | 700 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 824 mm |
|---|---|
| Abutment dimension db db | 656 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 6 mm |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 5 mm |
| Roller envelope diameter Fw Fw | 683 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU29/630?
The NU29/630 catalogue lists Da = 824 mm; ra ≤ 5 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 NU29/630?
The listed values for NU29/630 are grease: 600 rpm; oil: 700 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 NU29/630?
The catalogue reference mass for NU29/630 is 220 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.