KOYO Bearings

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KOYO Bearings manufacturing capabilities range from super large bearings with outer diameters of seven meters to miniature bearings with inner diameters as small as one millimeter. Utilizing new materials and the latest in manufacturing technology,  as a technological leader in the world bearing industry.


Koyo general purpose ball and roller bearings like Deep grove ball bearings;Angular contact ball bearings;Cylindrical roller bearings;Tapered roller bearings;Spherical roller bearings;Needle roller bearings.National Precision Bearings stocks and services the complete line of Koyo bearings and specializes in Koyo needle bearings, Koyo cylindrical track roller and yoke roller bearings, as well as standard ball bearings.

KOYO Bearings have a small cross-sectional height therefore contribute to keeping the overall machine lightweight and compact. As such, they are used across a broad scope, including cars, motorcycles, electric machinery, machine tools, aerospace devices, office equipment and other industrial machinery.

KOYO UCT214E bearing units

6 mm 823 kN
1 800 min-1 80 mm

KOYO UCFL312 bearing units

195 mm 158,000 N
112 mm Double Row

KOYO 3474/3420 tapered roller bearings

5 mm Tapered Bore
280 mm 1.68

KOYO 100DC72300B cylindrical roller bearings

30.20 mm 6700 rpm
45.000 mm 5000 rpm

KOYO WK18X24X13BE needle roller bearings

25.4 mm 0.66 kg
15300 N 164.0 mm

KOYO K22X28X17H needle roller bearings

21,000,000 N Double Row
1.76 8 mm

KOYO RNA5928 needle roller bearings

65.000 mm 36.00 mm
1.00 mm 0.60 mm

KOYO 28R3620 needle roller bearings

6 mm 339.530 kN
12 mm 22.3 mm

KOYO NNU49/600 cylindrical roller bearings

0.115 to 0.165 mm 4 mm
4 mm 2,000 rpm

KOYO RAX 510 complex bearings

2.50 mm 240.0000 mm
2700 rpm Two Shields & Snap-R

KOYO UCFS319 bearing units

4.35 4 mm
8 0.400 to 0.520 mm

KOYO 22207RHRK spherical roller bearings

160 mm 2.5 mm
Open Cylindrical Bore