DEARING OF AMERICA CORP.

NSK h25 Bearing

 

needle roller bearings

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.

NBS NKIS 65 needle roller bearings
NBS NKIS 65 needle roller bearings
100 N/mm²
M 14x1.5
KOYO DL 15 12 needle roller bearings
KOYO DL 15 12 needle roller bearings
Pressed Steel
52100 Bearing Steel
Timken RNA2075 needle roller bearings
Timken RNA2075 needle roller bearings
85mm
20.4
INA NK12/12 needle roller bearings
INA NK12/12 needle roller bearings
172 mm
HM48T
45 mm x 68 mm x 40 mm  KOYO NA6909 needle roller bearings
45 mm x 68 mm x 40 mm KOYO NA6909 needle roller bearings
Two Metal Shields
--
NSK NSA02424 needle roller bearings
NSK NSA02424 needle roller bearings
Needle Rollers
0.8750 in
Timken NKS50 needle roller bearings
Timken NKS50 needle roller bearings
Open Type
55mm
KOYO NQ536825A needle roller bearings
KOYO NQ536825A needle roller bearings
Four-Bolt Piloted
Contact with Flinger
KOYO BK2012 needle roller bearings
KOYO BK2012 needle roller bearings
4.0000 in
UC206-19MZ2
82,55 mm x 127 mm x 51,05 mm  NTN MR648032+MI-526432 needle roller bearings
82,55 mm x 127 mm x 51,05 mm NTN MR648032+MI-526432 needle roller bearings
Four-Bolt Flange
Malleable Iron
Timken J-146 needle roller bearings
Timken J-146 needle roller bearings
4-59/64 in
Set Screw
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wheel bearings
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