• Single Row Cylindrical Roller Bearings
  • Single Row Cylindrical Roller Bearings
Single Row Cylindrical Roller Bearings

Single Row Cylindrical Roller Bearings

BCHH Single Row Cylindrical Roller Bearings are precision-engineered components that leverage our 20+ 

years of specialized manufacturing expertise and ISO 9001 certified quality systems. These bearings feature 

optimized roller guidance systems and precision-ground components that deliver exceptional radial load 

capacity and high-speed performance. Manufactured from premium bearing steel with advanced heat 

treatment technology, they provide superior operational reliability, minimal friction, and extended service life 

in demanding industrial applications.


Applications:

Electric motors and generator sets

Industrial gearboxes and transmission systems

Machine tool spindles and precision machinery

Automotive transmission components

Wind turbine gearboxes

Mining and construction equipment


Enhance your machinery performance with BCHH Single Row Cylindrical Roller Bearings. Contact our 

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

performance in your application.


Product Parameters

Single Row Cylindrical Roller Bearings
Bearing NO.
New :NU20/670
Old :20321/670
Boundary dimensions(mm)
d :670
D :980
B :180
r 1.2min :7.5
r3、4min :7.5
Fw :746
Ew :
Basic load ratings(kN)
Cr :5160
Cor :9800
Limiting speed(rpm)
Grease :430
Oil :500
Abutment and fillet dimensions(mm)
da min :
db min :703
Da max :947
Db max :
ra max :6
rb max :6
Weight (kg)
Refer :480

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