NTN Bearings

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NTN Bearing is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Most bearings facilitate the desired motion by minimizing friction. Bearings are classified broadly according to the type of operation, the motions allowed, or to the directions of the loads (forces) applied to the parts.


Rotary bearings hold rotating components such as shafts or axles within mechanical systems, and transfer axial and radial loads from the source of the load to the structure supporting it. The simplest form of bearing, the plain bearing, consists of a shaft rotating in a hole. Lubrication is used to reduce friction. In the ball bearing and roller bearing, to reduce sliding friction, rolling elements such as rollers or balls with a circular cross-section are located between the races or journals of the bearing assembly. A wide variety of bearing designs exists to allow the demands of the application to be correctly met for maximum efficiency, reliability, durability and performance.


80,000 mm x 170,000 mm x 44,290 mm NTN RNUP1611 cylindrical roller bearings

19.1 in 208623 lbf
Split Cylindrical Ho Felt Type

20,638 mm x 38,1 mm x 25,65 mm NTN MR162416+MI-131616 needle roller bearings

0.114 8160 lbf
Imperial -0.22 in

38 mm x 76 mm x 43 mm NTN TU0808-1/L260 tapered roller bearings

0.0644 1.5 mm
57.91 mm 20.638 mm

NTN K12×17×13 needle roller bearings

124 mm 119 mm
0.075 to 0.110 mm 2,600 rpm

NTN KJ45X53X28 needle roller bearings

100 mm 3.1 mm
2.8 mm Snap Ring Groove wit

NTN K42X48X14.3 needle roller bearings

6.0 in Split Cylindrical Re
12.0 in 2520 rpm

170 mm x 230 mm x 38 mm NTN 32934XU tapered roller bearings

24-3/4 in 6-3/4 in
5.75 in 4-1/4 in

35,000 mm x 55,000 mm x 20,000 mm NTN 2TS2-DF0719LLX2-GCS35/L310 angular contact ball bearings

METRIC 15 mm
1.0 mm 14200 N

25,4 mm x 60,325 mm x 19,355 mm NTN 4T-1986/1931 tapered roller bearings

4.0 in 10.7 in
64745 lbf 82280 lbf

3 mm x 7 mm x 3 mm NTN W683ZA deep groove ball bearings

2200 rpm 99000 lb
1300 rpm 950 rpm

100 mm x 150 mm x 16 mm NTN 16020 deep groove ball bearings

0.0691 Y32007X
14 mm 62 mm

17 mm x 52 mm x 17 mm NTN SC03A21LH deep groove ball bearings

24.89 mm 1700
1.520 mm 1.27 mm