Quality Guarantee

The target of WRT is to provide for our customers only high-quality bearings and on-time services, we hereby assure you that the quality of bearings we supplied will be as good as ZWZ, UBC and other top brands in China.

WRT guarantees that If there is any quality problems accrued due to our side, we will replace the bearings free charge including transportation cost for our customers.
 
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Home arrow Products arrow Cylindrical Roller Bearings arrow Double-Row Cylindrica Roller Bearings

Double-Row Cylindrica Roller Bearings PDF Print E-mail

WRT is one of professional single-row(one-row) cylindrical roller bearings factory | manufacturer in China 

Cylindrical Roller Bearing belongs to separable bearings, it is convenient to mount and dismount. they can be grouped into single-row, double-row, four-row series. Subject to the different rib, there are N, NU, NJ, NF an NUP series. It can accommodate mainly radial load, some single-directional bidirectional axial load owing to the structure of rib. Double row (two-row) cylindrical roller bearings NN and NNU series own the compact configuration, strong rigidity and high loading capacity; most are used on machine tool spindles. FC, FCD and FCDP four-row series can endure big axial load and are mainly used on heavy machines for example rolling mills. Cylindrical roller bearings are mostly used on kinds of industrial machines .such as motors, machine tool spindles, oil machine, rolling mills, loading and moving machine

ImageMore bearings…

Principal DimensionsBasic Load RatingsLimiting SpeedsWtBearing Number
dDBCrCorGreastOil   
mmKNr/minkgNewOld
15019040190450240030002.8NN4830-
 19040190450240030002.75NN4830K?-
 21060300590200026006.3NNU4930?4482930
 21060300590200026006.2NNU4930K4382930
 22556330570200026007.8NN3030?3282130
 22556330570200026007.7NN3030K3182130
 25010068011701900240018NNU4130-
 25010068011701900240017.5NNU4130K-
16022060315620200026006.6NNU4932?4482932
 22060315620200026006.5NNU4932K4382932
 24060345620190024008.4NN3032?3282132
 24060345620190024008.3NN3032K?3182132
 27010985013801800220025NNU4132?-
 27010985013801800220024.5NNU4132K-
17023030330680200026007NNU49344482934
 23060330680200026006.9NNU4934K4382934
 260674358101900240013.3NN3034?3282134
 260674358lO1900240012.9N3034K?3182134
 28010988015001600200026NU4134?-
 28010988015001600200025.5NU4134K-
180250694007701900240011NU4936?4482936
 250694007701900240010.5NU4936K4382936
 2807455010001800220017NN3036?3282136
 2807455010001800220016.5NN3036K3182136
 30011898016501500190033NNU4136?-
 30011898016501500190032.5NNU4136K-
190260694008001800220011.5NNU49384482938
 260694008001800220011NNU4938K4382938
 2907556010001600200018NN30383282138
 2907556010001600200017.5NN3038K3182138
 320128120020001400180041.5NNU4138-
 320128