Super-precision Angular Contact Ball Bearings

7034 ACD/HCP4ATGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7034 ACD/HCP4ATGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 170 mm bore diameter, a 260 mm outer diameter, and a 126 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 Number7034 ACD/HCP4ATGA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows3
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)
Matched ArrangementUniversal Matching
Number of Bearings in Set3
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)170 mm
Width (B)126 mm
Outer Diameter (D)260 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)436 kN
Basic Static Load Rating C₀ (kN)695 kN
Material
Weight (kg)17.5 kg
CAD Drawing and Dimensions for 7034 ACD/HCP4ATGA Super-precision Angular Contact Ball Bearings 7034 ACD/HCP4ATGA 260 mm 170 mm 126 mm

Frequently Asked Questions about 7034 ACD/HCP4ATGA Super-precision Angular Contact Ball Bearings

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

To ensure optimum performance of CHG Bearing 7034 ACD/HCP4ATGA Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 170 mm bore. For the 260 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Built for demanding industrial environments, the 7034 ACD/HCP4ATGA 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.
The CHG Bearing 7034 ACD/HCP4ATGA 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.
Yes, 100% of 7034 ACD/HCP4ATGA 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.
7034 ACD/HCP4ATGA - Super-precision Angular Contact Ball Bearings CAD Drawing 7034 ACD/HCP4ATGA 260 mm 170 mm 126 mm