KOYO Bearings

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 Koyo is the JTEKT Corporation brand for bearings. JTEKT engineering and manufacturing capabilities range from super large bearings with outer diameters of seven meters to miniature bearings with inner diameters as small as one millimeter.

 Koyo offers general purpose ball bearings & roller bearings, bearings for extreme temperatures & environments, machine tools, industrial equipment and more. A full list of Koyo bearing applications can be seen here. 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 Cylindrical roller bearings have line contact between the rollers and raceway, therefore radial load capability is high, making this bearing superior in regards to its ability to withstand heavy loads and impact loads. Moreover, mounting and removing is easy due to the inner ring and outer ring being separable.

Bearing Number Bore Dia Outer DIa Width Size
KOYO 7309 angular contact ball bearings 190 mm 78 mm grey cast 15 mm
KOYO 6038ZX deep groove ball bearings 20200 lbs 23700 lbs 1-3/8-12 2.7500 in
KOYO DC4840VW cylindrical roller bearings 1.8438 in Cast Iron 250° 2.2500 in
KOYO B-24 needle roller bearings 9 mm 0.3 mm 25 mm 1490 lbf
KOYO UCF310 bearing units 25 ° 28 mm Not for Ball Screws ABEC 9/7 (
KOYO M-8101 needle roller bearings MUCWTPL200CEW 3-31/64 in 0.7500 in 2450 lbf
KOYO 52311 thrust ball bearings 4.9375 in Four-Bolt Base Spherical Roller Round
KOYO DC4928AVW cylindrical roller bearings -- -- Standard 5.05
KOYO M276449/M276410 tapered roller bearings Plain Sleeve 50000 2000 10 to 220 ºF
KOYO RFU293424A needle roller bearings TDI Assembly 14.5000 in 20.6250 in Steel
KOYO RNA3030 needle roller bearings 75 mm 57.5 mm 16 mm 5,000 rpm
KOYO UCP210SC bearing units 70 mm -20 °C NTN 5.25 mm
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