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A needle roller bearing is a special type of roller bearing which uses long, thin cylindrical rollers resembling needles. Ordinary roller bearings' rollers are only slightly longer than their diameter, but needle bearings typically have rollers that are at least four times longer than their diameter.Like all bearings, they are used to reduce the friction of a rotating surface.

Compared to ball bearings and ordinary roller bearings, needle bearings have a greater surface area in contact with the races, so they can support a greater load. They are also thinner, so they require less clearance between the axle and the surrounding structure.

Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least eight needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.

Bearing Number	Bore Dia	Outer DIa	Width	Size
Toyana KZK18X24X12 Rodamientos De Agujas	62.1	155 mm	2300 r/min	1.10
Toyana NA4988 Rodamientos De Agujas	14	17 mm	9200 N / Dynamic loa	6200 N / Static load
Toyana KK15x18x22 Rodamientos De Agujas	30 mm	Timken	175 mm	110x175x30
Toyana K100X109X30 Rodamientos De Agujas	355 mm	447 mm	500x980x355	1360 Kg
Toyana AXK 85110 Rodamientos De Agujas	CRD-17003	370 mm	850	850x1250x370
Toyana K19x23x13 Rodamientos De Agujas	500x620x56	620,000	620,000 mm	500,000 mm
Toyana K165X173X35 Rodamientos De Agujas	119 kN	NACHI	34	34 mm
Toyana NK14/20 Rodamientos De Agujas	30,2	NU3210	90 mm	30,2 mm
Toyana NK45/20 Rodamientos De Agujas	100x165x52	52 mm	52 mm	CX
Toyana NA6915 Rodamientos De Agujas	35	42	42 mm	35BVV07-11GCS
Toyana K95X102X30 Rodamientos De Agujas	96,838	45x96.838x22.225	0,8 mm	22,225
Toyana NA6902 Rodamientos De Agujas	16 mm	20206	16 mm	16