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.

Bearing Number Bore Dia Outer DIa Width Size
SIGMA MR-44 needle roller bearings GARLOCK BEARINGS GGB Plain Bearings 0.0 ENPRO INDUSTRIES
55 mm x 68 mm x 35 mm ZEN NK55/35 needle roller bearings SCHAEFFLER GROUP N/A 0.0 0
ZEN HK4520 needle roller bearings 0 B04120 Bearings 0.0
ZEN HK3012 needle roller bearings Steel Duplex-Face to Face 31171531 Bearing
ZEN BK4520 needle roller bearings 0.0 N/A SCHAEFFLER GROUP 12.598 Inch | 320 Mi
IKO GBR 182616 needle roller bearings M06288 22222 Yes N/A
IKO TA 1015 Z needle roller bearings N/A M06110 NTN 8.8
38,1 mm x 61,912 mm x 32 mm IKO GBRI 243920 U needle roller bearings 15.89 TIMKEN QM INDUSTRIES Expansion
IKO TLA 59 Z needle roller bearings M06110 Bearings 0.826 REXNORD
IKO RNA 6906UU needle roller bearings No Click here NTN 31171531
IKO KT 162017 needle roller bearings Single Row Ball Bear 4.75 kN 0.3 mm Fiberglass Reinforce
IKO TAF 759235 needle roller bearings Roller Bearings 0.0 B04144 81.284