Manufactured by CHG Bearing, the NUB1011 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 55 mm bore diameter, a 90 mm outer diameter, and a 18 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.

NUB1011 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NUB1011 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 55 mm |
| Width (B) | 18 mm |
| Outer Diameter (D) | 90 mm |
| Bore Diameter Tolerance | -0.015 – 0 mm |
| Outside Diameter Tolerance | -0.015 – 0 mm |
| Width Tolerance | -0.15 – 0 mm |
| Enveloping Circle Diameter Fw | 64.5 mm |
| Inner Ring Chamfer | 1.1 min mm |
| Outer Ring Chamfer | 1.1 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 43.7 kN |
| Basic Static Load Rating C0 (kN) | 53 kN |
| Material | |
| Mass (kg) | 0.447 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NUB1011 90 mm 55 mm 18 mm 64.5 mm Frequently Asked Questions about NUB1011 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing NUB1011 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (55 mm x 90 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Sourcing NUB1011 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Single Row Cylindrical Roller Bearings.
For international ocean and air freight, CHG Bearing packs NUB1011 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.
To extend the trouble-free lifespan of CHG Bearing NUB1011, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
