Manufactured by CHG Bearing, the NUB1011/P5 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/P5 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NUB1011/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 55 mm |
| Width (B) | 18 mm |
| Outer Diameter (D) | 90 mm |
| Bore Diameter Tolerance | -0.009 – 0 mm |
| Outside Diameter Tolerance | -0.010 – 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/P5 90 mm 55 mm 18 mm 64.5 mm Frequently Asked Questions about NUB1011/P5 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing NUB1011/P5 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
For international ocean and air freight, CHG Bearing packs NUB1011/P5 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.
Quality starts with raw material selection: CHG Bearing crafts NUB1011/P5 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing NUB1011/P5 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
