Super-precision Angular Contact Ball Bearings

71807 CDGB/P4 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71807 CDGB/P4 is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 35 mm bore diameter, a 47 mm outer diameter, and a 7 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.

Technical Specifications

Overview
Part Number71807 CDGB/P4
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows1
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class B
Tolerance ClassP4
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)35 mm
Width (B)7 mm
Outer Diameter (D)47 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)4.62 kN
Basic Static Load Rating C₀ (kN)4.3 kN
Material
Weight (kg)0.028 kg
CAD Drawing and Dimensions for 71807 CDGB/P4 Super-precision Angular Contact Ball Bearings 71807 CDGB/P4 47 mm 35 mm 7 mm

Frequently Asked Questions about 71807 CDGB/P4 Super-precision Angular Contact Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Each 71807 CDGB/P4 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (35 mm bore side) ensures perfect planar contact without edge binding.
Yes, 100% of 71807 CDGB/P4 Super-precision Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Model 71807 CDGB/P4 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 35 mm) and steep thermal gradients between inner and outer rings.
Standard batches of CHG Bearing 71807 CDGB/P4 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.
71807 CDGB/P4 - Super-precision Angular Contact Ball Bearings CAD Drawing 71807 CDGB/P4 47 mm 35 mm 7 mm