Super-precision Angular Contact Ball Bearings

S7021 ACD/P4ATBTB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7021 ACD/P4ATBTB is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 105 mm bore diameter, a 160 mm outer diameter, and a 78 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 NumberS7021 ACD/P4ATBTB
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 MaterialBearing Steel
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)105 mm
Width (B)78 mm
Outer Diameter (D)160 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)199 kN
Basic Static Load Rating C₀ (kN)275 kN
Material
Weight (kg)4.85 kg
CAD Drawing and Dimensions for S7021 ACD/P4ATBTB Super-precision Angular Contact Ball Bearings S7021 ACD/P4ATBTB 160 mm 105 mm 78 mm

Frequently Asked Questions about S7021 ACD/P4ATBTB Super-precision Angular Contact Ball Bearings

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

The CHG Bearing S7021 ACD/P4ATBTB is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for S7021 ACD/P4ATBTB. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Absolutely. The CHG Bearing S7021 ACD/P4ATBTB Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF S7021 ACD/P4ATBTB, FAG S7021 ACD/P4ATBTB, NSK S7021 ACD/P4ATBTB. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, 100% of S7021 ACD/P4ATBTB 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.
S7021 ACD/P4ATBTB - Super-precision Angular Contact Ball Bearings CAD Drawing S7021 ACD/P4ATBTB 160 mm 105 mm 78 mm