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

Double Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearings

High Radial Load Capacity for Heavy-Duty Applications

BCHH Double Row Cylindrical Roller Bearings are designed for high radial loads, high rigidity, and demanding industrial applications.

With two rows of cylindrical rollers, these bearings provide higher load carrying capacity than single row designs.

Their compact structure offers excellent radial stiffness and reliable performance where space is limited.

Precision-ground raceways and advanced heat treatment ensure smooth rotation, low friction, and long service life.

Key Features

· High radial load capacity

· Two rows of cylindrical rollers

· High radial stiffness

· Compact and rigid design

· Low friction operation

· Excellent wear resistance

· Long service life

Typical Applications

· Machine Tool Spindles

· Industrial Gearboxes

· Electric Motors

· Transmission Systems

· Heavy Machinery

· Mining Equipment

· Precision Machinery

BCHH manufactures Double Row Cylindrical Roller Bearings using high-quality bearing steel and strict quality control processes.

With 20+ years of bearing manufacturing experience and an ISO 9001 certified quality system, BCHH provides reliable bearing solutions for OEMs, distributors, and industrial customers worldwide.

Contact BCHH for product specifications, technical support, OEM solutions, and competitive pricing.

Product Parameters

Double Row Cylindrical Roller Bearings
Bearing NO.
Cylindrical bore :NNU3040
Tapered bore :NNU3040K
Boundary dimensions(mm)
d :200
D :310
B/C :82
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :644
Cor :1140
Limiting speed(rpm)
Speed Ratings :2000
Abutment and fillet dimensions(mm)
da max :216
Da max :293
ra max :2
rb max :2
Weight (kg)
Refer :22.9

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