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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 K100X107X20 Rodamientos De Agujas	SNR	5 mm	100 °C	50 mm
Toyana NK75/35 Rodamientos De Agujas	14 mm	0,3 mm	38,4 kN	29,5 mm
Toyana NK40/20 Rodamientos De Agujas	31.77x139x70.9	PFI	70,9	70,9 mm
Toyana K19,3x25,3x19,8TN Rodamientos De Agujas	360 mm	118 mm	NNCL4972 V	2550 kN
Toyana HK081410 Rodamientos De Agujas	9900 N / Dynamic loa	34000 1/min / Limiti	12 mm	0,143 kg / Weight
Toyana K05x09x13 Rodamientos De Agujas	40 mm	0,6 Kg	80 mm	25 mm
Toyana NA6912-2RS Rodamientos De Agujas	120x180x28	28	25 °	NTN
Toyana K17X23X17 Rodamientos De Agujas	ISO	420	200 mm	138
Toyana HK2520 Rodamientos De Agujas	AST	2,580	0.4690	13
Toyana K70x76x46ZW Rodamientos De Agujas	10	0,011 Kg	19	19 mm
Toyana HK2216 Rodamientos De Agujas	14,000	20,000 mm	47,000 mm	14,000 mm
Toyana NA4904 Rodamientos De Agujas	3.3 kN	51 mm	2 mm	PF 47