Needle roller bearings

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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.

NSK MFJL-2215L needle roller bearings

2.46 46 mm
8.12 Hz 2.1 mm

Toyana K17x22x20 needle roller bearings

0.2 kg 16 mm
0.6 1/4-28UNF

AST NK105/26 needle roller bearings

27.8 mm 125
22 Nm 30 mm

JNS RNA 4913 needle roller bearings

17.46 mm 6.65 kN
51 mm 32 mm

NTN RNA4913S needle roller bearings

782475041169 143 LB
1.0000 in 4 X 4 X 3/8

KOYO MK781 needle roller bearings

TYPE EXL 115 Series
Baldor-Dodge Expansion

KOYO RNA3070 needle roller bearings

20 mm F204N-
15 mm 0.57 kg

50 mm x 62 mm x 35 mm ZEN NK50/35 needle roller bearings

M6x1 5.5 Nm
EX202G2L3 6.65 kN

KOYO K38X50X40FH needle roller bearings

1 mm 6,600 rpm
25 mm 90 mm

NTN PK38×47×19.8X1 needle roller bearings

40 mm 42.6 mm
16mm US210-30G2T04

Timken M-1481 needle roller bearings

100 °C 12 mm
0.83 kg T205N-

NTN DCL108 needle roller bearings

Steel Grip Tight
Self Centering Yes