NTN Bearing

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Our customers rely on us for high-performing bearing products that increase the productivity and efficiency of their operations.

To ensure that every customer gets the most out of our products, we offer the free resources, training, and support they need to properly select, install, and maintain their NTN products over the long term.

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.

Bearing Number Bore Dia Outer DIa Width Size
NTN 4T-30218DF tapered roller bearings 0.7500 in FR250URW Round General Industrial
42 mm x 70 mm x 19 mm NTN ET-CR-0834ST tapered roller bearings 0.6250 in 2450 lbf PBT Thermoplastic 1190 lbf
30 mm x 55 mm x 13 mm NTN 5S-7006UADG/GNP42 angular contact ball bearings 100 mm 10 N/mm2 250 mm Periodic lubrication 1.25, Oil lubrication 3.25 N/mm2 x m/s
6 mm x 12 mm x 4 mm NTN F-SC6A06ZZ1NR deep groove ball bearings 2.9375 in 3.3800 in 10.8300 in Non-Expansion Bearing (Fixed)
NTN K40X46X16.6 needle roller bearings NTN K40X46X16.6 1 pcs Negotiable
1,5 mm x 5 mm x 2,6 mm NTN FL69/1,5ASSA deep groove ball bearings 30 mm Steel 17 ° Bronze
90 mm x 190 mm x 43 mm NTN 7318 angular contact ball bearings 1.8750 in 16100 lbf 5.5156 in 10100 lbf
150 mm x 225 mm x 48 mm NTN 32030X tapered roller bearings 0.2500 in 5370 lb 8 ° 537 lb
110,000 mm x 240,000 mm x 50,000 mm NTN 7322BG angular contact ball bearings 2.4375 in 2.7000 in 10.8800 in Non-Expansion Bearing (Fixed)
420 mm x 700 mm x 224 mm NTN 23184BK spherical roller bearings 12 mm 2150 lbf 63.5 mm 1080 lbf
55,000 mm x 150,000 mm x 45,000 mm NTN SX1159LLU angular contact ball bearings 2.9375 in 3-3/4 in 10.4375 in Expansion Bearing (Floating)
276,225 mm x 352,425 mm x 34,925 mm NTN E-L853049/L853010 tapered roller bearings 1.2500 in 7530 lbf 4.0000 in 4320 lbf