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
NTN K29X34X27.8 needle roller bearings Yes 0.354 Inch | 9 Milli 0087796232945 Single Row | Angular
NTN K8X12X10 needle roller bearings 1.181 Inch | 30 Mill 1.693 Inch | 43 Mill AMI BEARINGS 14 Millimeter
Timken K70X78X30H needle roller bearings PEER BEARING CO. PEER BEARING CO. N/A 0.0
Timken DL 30 16 needle roller bearings 4549557063084 Bearings IKO 0.0
KOYO HK1010 needle roller bearings 2.32 Flange Block 0 Inch | 0 Millimete UC210-30
45 mm x 72 mm x 20 mm KOYO NAO45X72X20 needle roller bearings N/A 1.772 Inch | 45 Mill Self Aligning Ball B 3.937 Inch | 100 Mil
30 mm x 45 mm x 20 mm JNS NKI 30/20 needle roller bearings N/A Tapered 5.4 Tapered Roller Beari
KOYO R73/20 needle roller bearings Non-expansion Double Lip Nitrile R Bearing Cast Steel
KOYO BT1910 needle roller bearings 0 N/A 0.0 3413529571727
KOYO HJ-14817848 needle roller bearings Single Row Class 3 Inch Cup
NSK FJL-1212L needle roller bearings Ball Angular Contact N/A Duplex-Tandem Bearing
KOYO Y2414 needle roller bearings Inch 4 Cast Iron 3.031 Inch | 76.987
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