Bearing Manufacturer | OEM & Global Supply
WhatsApp Request a Quote

Double Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearings: Enhanced Load Capacity for Heavy-Duty Operations

Download Catalog
Double Row Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearings
Double Row Cylindrical Roller Bearings
Search Products
Spherical Roller Bearings Cylindrical Roller Bearings Single Row Double Row Multi Row Full Complement Double Row Full Complement CARB Toroidal Roller Bearings Deep Groove Ball Bearings Backing Bearings Thrust Roller Bearings Self-Aligning Ball Bearings Tapered Roller Bearings Angular Contact Ball Bearings Thrust Ball Bearings Slewing Bearings Spherical Plain Bearings Tandem Thrust Bearings

Need help selecting a model?

Ask Engineer

Double row cylindrical roller bearings are designed for applications requiring high radial load capacity, excellent rigidity, and precise shaft guidance. Compared with single-row designs, the two-row roller arrangement provides greater load carrying capability and improved running accuracy.

Available in NN and NNU series configurations, these bearings are widely used in machine tool spindles, rolling mills, industrial gearboxes, electric motors, mining equipment, and other heavy-duty machinery. Optional tapered bore and W33 lubrication designs are available for demanding operating conditions.

Applications

  • Machine Tool Spindles
  • Rolling Mills
  • Industrial Gearboxes
  • Electric Motors & Generators
  • Mining Equipment
  • Cement Machinery
  • Steel Processing Equipment
  • Paper Machinery

Popular Models

Product Specifications

All NN Series NNU Series

Double row cylindrical roller bearings with high rigidity and load capacity.

Inquiry Bearing No. d D B Cr Cor Weight
NNU49/500K/W33X 500 670 170 2330 6100 178
NNU49/500F1/W33X 500 670 170 2330 6100 178
NN30/500/W33 500 720 167 2650 5800 205
NNU40/500K/W33 500 720 218 4450 10500 282
NNU40/500/W33 500 720 218 4450 10500 285
NNP6/500 500 730 305 6200 15100 435
NNU41/500/W33 500 830 325 7400 14500 499
NNU49/530/HCW33 530 710 180 2930 7450 203
NN30/530K/W33 530 780 185 3250 7250 258
NN30/530/W33 530 780 185 3250 7250 262
NNU40/530K/W33 530 780 250 5400 12100 410
NNU40/530/W33 530 780 250 5400 12100 415
NNU41/530/W33 530 870 335 7750 15500 788
NNU41/530/W33 530 870 335 7750 15500 788
NNU49/560K/W33 560 750 190 3210 8950 235
NNU49/560/W33 560 750 190 3210 8950 245
NNU49/560K/W33X 560 750 190 3210 8950 235
NN30/560K 560 820 195 3720 8170 337
NNU40/560 560 820 258 5900 14000 468
NNU49/600 600 800 200 3700 11400 282

Technical Resources & Related Guides

NN vs NNU Cylindrical Roller Bearings: Structure, Load Capacity & Selection Guide

NN and NNU are two precision cylindrical roller bearing series widely used in machine tool spindles, industrial gearboxes, and high-accuracy rotating machinery. Both deliver exceptional radial rigidity and high load capacity, yet their internal raceway design, roller guidance and applicable speed ranges differ significantly. This guide explains the core distinctions, interchange limitations and optimal application […]

About JYHY Group

JYHY Group is a professional industrial bearing manufacturer in China, specializing in large-size bearings for mining, steel mills, and heavy-duty applications.

Quick Links

Request a Quote

Chat on WhatsApp →

Copyright © 2026 Dalian Jinyu Huayang Industry Co., Ltd. All rights reserved.