Double Row Tapered Roller Bearings

93775/93128XD - Double Row Tapered Roller Bearings

Manufactured by CHG Bearing, the 93775/93128XD is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 196.85 mm bore diameter, a 319.977 mm outer diameter, and a 146.05 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 Number93775/93128XD
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassClass 4
Dimensions
Bore Diameter (d)196.85 mm
Width (B)146.05 mm
Outer Diameter (D)319.977 mm
Bore Diameter Tolerance0 – +0.025 mm
Outside Diameter Tolerance0 – +0.025 mm
Inner Ring Chamfer3.2 mm
Outer Ring Chamfer1.6 mm
Inner Ring Assembly Width Tolerance0 – +0.406 mm
Outer Ring Assembly Width92.075 mm
Outer Ring Assembly Width Tolerance0 – +0.406 mm
Shaft Abutment Diameter174.2 mm
Housing Abutment Diameter233.1 mm
Lubrication Hole Diameter5 mm
Performance
Basic Dynamic Load Rating C (kN)552 kN
Basic Static Load Rating C0 (kN)989 kN
Material
Mass (kg)16.3 kg
Ring MaterialBearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width10 mm
Roller MaterialBearing Steel
CAD Drawing and Dimensions for 93775/93128XD Double Row Tapered Roller Bearings 93775/93128XD 319.977 mm 196.85 mm 146.05 mm

Frequently Asked Questions about 93775/93128XD Double Row Tapered Roller Bearings

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

As standard production, CHG Bearing subjects 93775/93128XD 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 93775/93128XD with a precision bore diameter (d) of 196.85 mm, an outside diameter (D) of 319.977 mm, and a nominal ring width (B) of 146.05 mm. This configuration yields an effective cross-sectional wall thickness of 61.6 mm and an envelope ratio (D/d) of 1.63, delivering compact rigidity for OEM machinery housings.
Beyond standard alloy steel, CHG Bearing can customize the 93775/93128XD Double Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Yes, 100% of 93775/93128XD Double Row Tapered Roller 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.
93775/93128XD - Double Row Tapered Roller Bearings CAD Drawing 93775/93128XD 319.977 mm 196.85 mm 146.05 mm