Manufactured by CHG Bearing, the HJB045XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 114.3 mm bore diameter, a 130.175 mm outer diameter, and a 7.9375 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.

HJB045XP0 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HJB045XP0 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | JB |
| Seal Type | Sealed |
| Load Direction | Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 114.3 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 130.175 mm |
| Bore Diameter Tolerance | -0.02-0 mm |
| Outside Diameter Tolerance | -0.02-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 117.8 mm |
| Outer-Ring Land Diameter (L2 / D1) | 123.5 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 8670 N |
| Basic Dynamic Radial Load Rating Cr (N) | 5180 N |
| Basic Static Axial Load Rating C0a (N) | 21690 N |
| Basic Dynamic Axial Load Rating Ca (N) | 8220 N |
| Material | |
| Mass (kg) | 0.154 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P0 |
| Radial Internal Clearance | -0.066-0.041 mm |
HJB045XP0 130.175 mm 114.3 mm 7.9375 mm Frequently Asked Questions about HJB045XP0 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Sealed engineered for HJB045XP0 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Model HJB045XP0 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 114.3 mm) and steep thermal gradients between inner and outer rings.
Beyond standard alloy steel, CHG Bearing can customize the HJB045XP0 Thin Section Four-Point Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
When fitting HJB045XP0 over a 114.3 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.
