• 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 :NJ1040EM
Old :42140EH
Boundary dimensions(mm)
d :200
D :310
B :51
r 1.2min :2.1
r3、4min :2.1
Fw :227
Ew :
Basic load ratings(kN)
Cr :450
Cor :720
Limiting speed(rpm)
Grease :1900
Oil :2400
Abutment and fillet dimensions(mm)
da min :
db min :216
Da max :293
Db max :
ra max :2
rb max :2
Weight (kg)
Refer :14.7

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"To make the best quality in most competitive price",is our principle and "To support our clients enlarge their local market in max" is our continuous target