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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
NN4032 NN4032K 160 240 80 2.1 2.1 510 985 3800 175 224 2 2 12.7
NNU4032 - 160 240 80 2.1 2.1 510 985 3800 175 224 2 2 12.7
NN3132 - 160 270 86 2.1 2.1 620 1000 2200 175 253 2 2 19.8
NNU4132 NNU4132K30 160 270 109 2.1 2.1 935 1530 2200 185 259 2 2 25
NN3934 NN3934K 170 230 45 2 2 280 550 3800 183 216 2 2 5.01
NNU4934 NNU4934K 170 230 60 2 2 336 695 3800 186 220 2 2 6.95
NN4934 NN4934K 170 230 60 2 2 336 695 3800 183 216 2 2 7.13
NNU5934 - 170 230 80 2 2 550 1180 2800 183 220 2 2 9.55
NN3034 NN3034K 170 260 67 2.1 2.1 450 805 3400 - 249 2 2 12.5
NNU3034 NNU3034K 170 260 67 2.1 2.1 450 805 3400 185 244 2 2 12.9
NN3134 - 170 280 88 2.1 2.1 635 1050 2000 185 263 2 2 21.1
NNU3134 - 170 280 88 2.1 2.1 635 1050 2000 185 263 2 2 21.4
NNU4134 NNU4134K30 170 280 109 2.1 2.1 968 1630 2000 195 269 2 2 26
NN4836 - 180 225 45 1 1 225 535 2200 189 215 1 1 4.15
NN3936 NN3936K 180 250 52 2 2 340 655 3400 193 236 2 2 7.2
NNU4936 NNU4936K 180 250 69 2 2 402 850 3400 199 240 2 2 10.5
NN4936 NN4936K 180 250 69 2 2 402 850 3400 193 236 2 2 10.4
NN3036 NN3036K 180 280 74 2.1 2.1 561 1000 3200 - 269 2 2 16.5
NNU3036 - 180 280 74 2.1 2.1 561 1000 3200 195 263 2 2 16.9
NNU4136 NNU4136K30 180 300 118 3 3 1080 1830 1900 208 287 2.5 2.5 32.5
NN3138 - 180 320 104 3 3 840 1420 1800 208 300 2.5 2.5 33.8
NNU4938 NNU4938K 190 260 69 2 2 402 880 3200 209 250 2 2 11
NNU3038 - 190 290 75 2.1 2.1 594 1080 3000 206 273 2 2 17.9
NN3038 NN3038K 190 290 75 2.1 2.1 594 1080 3000 - 279 2 2 17
NN4038 - 190 290 100 2.1 2.1 825 1640 3000 206 273 2 2 24
NNU4138 NNU4138K30 190 320 128 3 3 1320 2200 1800 219 307 2.5 2.5 41
NNU4840 NNU4840K 200 250 50 1.5 1.5 242 600 2400 212 242 1.5 1.5 5.75
NN3940 NN3940K 200 280 60 2.1 2.1 420 815 3000 216 263 2 2 10.6
NNU4940 NNU4940K 200 280 80 2.1 2.1 484 1040 3000 222 269 2 2 15
NN4940 NN4940K 200 280 80 2.1 2.1 484 1040 3000 216 263 2 2 15.3
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