Manufactured by CHG Bearing, the NNU49/630K/W33-2P5 is a precision Double Row Cylindrical Roller Bearings. Key dimensional parameters include a 630 mm bore diameter, a 850 mm outer diameter, and a 218 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
NNU49/630K/W33-2P5 - Double Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNU49/630K/W33-2P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 630 mm |
| Width (B) | 218 mm |
| Outer Diameter (D) | 850 mm |
| Bore Diameter Tolerance | 0 – +0.070 mm |
| Outside Diameter Tolerance | -0.040 – 0 mm |
| Width Tolerance | -0.50 – 0 mm |
| Enveloping Circle Diameter Fw | 697 mm |
| Inner Ring Chamfer | 6 min mm |
| Outer Ring Chamfer | 6 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 4160 kN |
| Basic Static Load Rating C0 (kN) | 10400 kN |
| Material | |
| Mass (kg) | 352 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 26 mm |
| Lubrication Holes (qty × Ø mm) | 10 × Ø12 |
NNU49/630K/W33-2P5 850 mm 630 mm 697 mm 218 mm Frequently Asked Questions about NNU49/630K/W33-2P5 Double Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies NNU49/630K/W33-2P5 with a precision bore diameter (d) of 630 mm, an outside diameter (D) of 850 mm, and a nominal ring width (B) of 218 mm. This configuration yields an effective cross-sectional wall thickness of 110.0 mm and an envelope ratio (D/d) of 1.35, delivering compact rigidity for OEM machinery housings.
Every production batch of CHG Bearing NNU49/630K/W33-2P5 Double Row Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
For international ocean and air freight, CHG Bearing packs NNU49/630K/W33-2P5 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NNU49/630K/W33-2P5, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
