Super-precision Angular Contact Ball Bearings

S71905 ACD/HCP4ATBTB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S71905 ACD/HCP4ATBTB is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 25 mm bore diameter, a 42 mm outer diameter, and a 27 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 NumberS71905 ACD/HCP4ATBTB
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
Number of Rows3
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Number of Bearings in Set3
Axial Clearance / PreloadLight Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)25 mm
Width (B)27 mm
Outer Diameter (D)42 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)13.8 kN
Basic Static Load Rating C₀ (kN)11.4 kN
Material
Weight (kg)0.115 kg
CAD Drawing and Dimensions for S71905 ACD/HCP4ATBTB Super-precision Angular Contact Ball Bearings S71905 ACD/HCP4ATBTB 42 mm 25 mm 27 mm

Frequently Asked Questions about S71905 ACD/HCP4ATBTB Super-precision Angular Contact Ball Bearings

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

For international ocean and air freight, CHG Bearing packs S71905 ACD/HCP4ATBTB 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for S71905 ACD/HCP4ATBTB, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing S71905 ACD/HCP4ATBTB 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 Super-precision Angular Contact Ball Bearings.
Each S71905 ACD/HCP4ATBTB 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 (25 mm bore side) ensures perfect planar contact without edge binding.
S71905 ACD/HCP4ATBTB - Super-precision Angular Contact Ball Bearings CAD Drawing S71905 ACD/HCP4ATBTB 42 mm 25 mm 27 mm