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  • 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.

Get Product Catalog Send inquiry WhatsApp
InquiryBearing NO. Boundary dimensions(mm) Basic load ratings(kN) Limiting speed(rpm) Abutment and fillet dimensions(mm) Weight (kg)
Cylindrical boreTapered boredDB/Cr 1.2minr3.4minCrCorSpeed Ratingsda maxDa maxra maxrb maxRefer
NNU4952X2 - 260 360 102 2.1 2.1 990 2200 1800 283 349 2 2 32
NNU3052 NN3052K 260 400 104 4 4 1020 1930 2200 - 384 3 3 46
NN3052 NN3052K 260 400 104 4 4 1030 1920 2200 282 376 3 3 47.7
NNU4052 NNU4052K 260 400 140 4 4 1550 3150 1500 289 384 3 3 63.5
NN4052 NN4052K 260 400 140 4 4 1550 3150 1500 282 376 3 3 59.7
NN3152 NN3152K 260 440 144 4 4 1480 2660 1300 282 415 3 3 89.1
NNU4152 NNU4152K30 260 440 180 4 4 2200 3900 1300 300 424 3 3 110
NNU4856 NNU4856K 280 350 69 2 2 445 1160 1700 298 340 2 2 15.5
NN4856 - 280 350 69 1.1 1.1 445 1160 1700 293 336 1 1 15.3
NN3956 NN3956K 280 380 75 2.1 2.1 695 1460 2200 297 361 2 2 22.7
NNU4956 NNU4956K 280 380 100 2.1 2.1 765 1800 2200 308 369 2 2 32.5
NNUP4956 - 280 380 100 2.1 2.1 765 1800 1600 - 369 2 2 33.5
NN4956 NN4956K 280 380 100 2.1 2.1 765 1800 1600 297 361 2 2 32.9
NN3056 NN3056K 280 420 106 4 4 1080 2080 2000 - 404 3 3 49.5
NNU3056 - 280 420 106 4 4 1080 2080 2000 302 395 3 3 51.4
NNU4056 NNU4056K 280 420 140 4 4 1650 3150 1400 309 404 3 3 66.5
NN3156 NN3156K 280 460 146 5 5 1520 2790 1200 306 431 4 4 95.7
NNU4156 NNU4156K30 280 460 180 5 5 2550 4750 1200 318 440 4 4 120
NNU4860 NNU4860K 300 380 80 2.1 2.1 583 1560 1600 320 369 2 2 22
NNU4960 NNU4960K 300 420 118 3 3 1020 2360 2000 335 406 2.5 2.5 50
NN4960 NN4960K 300 420 118 3 3 1020 2360 2000 320 398 2.5 2.5 51.6
NNU5960X2 - 300 420 150 1.5 1.5 1870 4500 1600 328 412 1.5 1.5 55.5
NN3060 NN3060K 300 460 118 4 4 1250 2400 1900 - 444 3 3 68.5
NNU4060 NNU4060K 300 460 160 4 4 1920 4100 1300 333 444 3 3 96
NN4060 NN4060K 300 460 160 4 4 1920 4100 1300 323 435 3 3 97.6
NN3160 NN3160K 300 500 160 5 5 1760 3150 1100 327 470 4 4 125
NNU3160 - 300 500 160 5 5 1760 3150 1100 327 470 4 4 126
NNU4160 NNU4160K30 300 500 200 5 5 2860 5300 1100 344 480 4 4 155
NNU4864 NNU4864K 320 400 80 2.1 2.1 765 2080 1500 340 389 2 2 23.5
NNU4964 NNU4964K 320 440 118 3 3 1060 2500 1400 355 426 2.5 2.5 53
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