Manufactured by CHG Bearing, the 71948 CD/HCP4ADBA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 240 mm bore diameter, a 320 mm outer diameter, and a 76 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.
71948 CD/HCP4ADBA - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71948 CD/HCP4ADBA |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Number of Rows | 2 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-capacity D Design |
| Universally Matchable | No |
| Matched Arrangement | Back-to-back (DB) |
| Number of Bearings in Set | 2 |
| Axial Clearance / Preload | Extra-light Preload |
| Tolerance Class | P4A |
| Bearing Material | Hybrid (Steel Rings / Ceramic Balls) |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 240 mm |
| Width (B) | 76 mm |
| Outer Diameter (D) | 320 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 371 kN |
| Basic Static Load Rating C₀ (kN) | 640 kN |
| Material | |
| Weight (kg) | 11.8 kg |
71948 CD/HCP4ADBA 320 mm 240 mm 76 mm Frequently Asked Questions about 71948 CD/HCP4ADBA Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 71948 CD/HCP4ADBA against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (240 mm x 320 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Built for demanding industrial environments, the 71948 CD/HCP4ADBA Super-precision Angular Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
Absolutely. The CHG Bearing 71948 CD/HCP4ADBA Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71948 CD/HCP4ADBA, FAG 71948 CD/HCP4ADBA, NSK 71948 CD/HCP4ADBA. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
As standard production, CHG Bearing subjects 71948 CD/HCP4ADBA to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
