Manufactured by CHG Bearing, the NN4992/P5 is a precision Double Row Cylindrical Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 620 mm outer diameter, and a 160 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.

NN4992/P5 - Double Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN4992/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 160 mm |
| Outer Diameter (D) | 620 mm |
| Bore Diameter Tolerance | -0.027 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Width Tolerance | -0.50 – 0 mm |
| Enveloping Circle Diameter Fw | 578 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 4 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2250 kN |
| Basic Static Load Rating C0 (kN) | 5440 kN |
| Material | |
| Mass (kg) | 135 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NN4992/P5 620 mm 460 mm 160 mm 578 mm Frequently Asked Questions about NN4992/P5 Double Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing NN4992/P5 Double Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NN4992/P5, FAG NN4992/P5, NSK NN4992/P5. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Engineered according to international ISO boundary plans, CHG Bearing supplies NN4992/P5 with a precision bore diameter (d) of 460 mm, an outside diameter (D) of 620 mm, and a nominal ring width (B) of 160 mm. This configuration yields an effective cross-sectional wall thickness of 80.0 mm and an envelope ratio (D/d) of 1.35, delivering compact rigidity for OEM machinery housings.
Every production batch of CHG Bearing NN4992/P5 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.
When fitting NN4992/P5 over a 460 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
