KOYO Bearings

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 UKF306 bearing units	72 mm	19 mm	Without Snap Ring	30 mm
KOYO 6220NR deep groove ball bearings	2 mm	5.18 Hz	77.7 mm	120 °C
KOYO RNA1040 needle roller bearings	20 mm	30.2 mm	PA203-	48 mm
KOYO UCC321 bearing units	74.6 mm	37.3 mm	111 mm	224 mm
KOYO K,81211LPB thrust roller bearings	Steel	Class 2	053893042930	2.7559 in
KOYO DC4984VW cylindrical roller bearings	Click here	10 to 220 ºF	3/4 in	1200
KOYO UC314L3 deep groove ball bearings	Lubrication Fitting	1.5000 in	Contact with Flinger	Non-Expansion Bearin
KOYO 32934JR tapered roller bearings	300	3530 lbf	ANSI/ABMA STD 9	3.8125 in
KOYO SDMK16 linear bearings	1206ektn9/c3-qbl	30mm	Plastic	Open Type
KOYO B812 needle roller bearings	1.9370 in	Contact with Slinger	2990 kgf	1830 kgf
KOYO 6903ZZ deep groove ball bearings	0.6400 in	4500 fpm	-22 to 400°F	4.4375 in
KOYO UCSF204H1S6 bearing units	2680 lbf	Cast Iron - Nickel P	1.0000 in	2.7500 in