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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 NK22/16 Rodamientos De Agujas	23 mm	9500 r/min	17	17 mm
Toyana HK162109 Rodamientos De Agujas	37 mm	60,03	30x60.03x37	KOYO
Toyana NA4830 Rodamientos De Agujas	406,4 mm	385,8 mm	249,2 mm	6,4 mm
Toyana NA4836 Rodamientos De Agujas	1,5 mm	105x160x35	160	26 mm
Toyana RNA4905-2RS Rodamientos De Agujas	1 260 kN	1 600 r/min	5 mm	78 mm
Toyana K14X19X10 Rodamientos De Agujas	47	12 mm	NTN	12
Toyana K75x83x23TN Rodamientos De Agujas	280	38 mm	200x280x38	76 mm
Toyana NA4860 Rodamientos De Agujas	619 kN	-	452 kN	2.1 mm
Toyana NKIS35 Rodamientos De Agujas	GEGZ76ES-2RS	76,2 mm	1 mm	130,175
Toyana K130X137X25 Rodamientos De Agujas	16	45x72x16	SNR	45 mm
Toyana NA4917 Rodamientos De Agujas	25 mm	45x100x25	100	45
Toyana K60x65x20TN Rodamientos De Agujas	126 mm	180	106 mm	380 mm