• Double Row Cylindrical Roller Bearings
  • Double Row Cylindrical Roller Bearings
Double Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearings

BCHH Double Row Cylindrical Roller Bearings integrate our 20+ years of precision manufacturing expertise 

with ISO 9001 certified quality systems to deliver superior load-bearing performance. These advanced 

bearings feature two rows of precision-ground rollers arranged in a compact design, providing significantly

 enhanced radial load capacity compared to single row versions. The optimized internal geometry and 

high-grade steel construction ensure excellent rotational accuracy, operational stability, and extended 

service life in heavy-duty applications.


Applications:

Heavy industrial gearboxes and large reducers

Machine tool main spindles and rotating components

Wind turbine generator systems

Mining and construction machinery

Steel mill equipment and rolling mills

Large electric motors and generators


Maximize your equipment's load capacity with BCHH Double Row Cylindrical Roller Bearings. Contact our

 engineering team today for technical specifications and competitive pricing. Request samples to test 

performance in your application.


Product Parameters

Double Row Cylindrical Roller Bearings
Bearing NO.
Cylindrical bore :NNU3164
Tapered bore :NNU3164K
Boundary dimensions(mm)
d :320
D :540
B/C :176
r 1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :2090
Cor :3750
Limiting speed(rpm)
Speed Ratings :1000
Abutment and fillet dimensions(mm)
da max :347
Da max :509
ra max :4
rb max :4
Weight (kg)
Refer :154

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