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.

KOYO TVK6378L needle roller bearings

Tapered hole adapter Cast Iron
65 No

Toyana K47x55x26 needle roller bearings

37.4 mm 5.5 Nm
95.2 mm 30.9 mm

KOYO RE222725AL1 needle roller bearings

327.00 mm Two-Bolt Pillow Bloc
H2318 262.00 mm

NTN AXK1109 needle roller bearings

-14.2 mm Stamped Steel
158 347000 N

NTN 8E-NK1-25X52.2X1#04 needle roller bearings

31.8 mm 7.96 kg
8 mm 127 mm

KOYO BHTM3530 needle roller bearings

3 80 mm
2.1 mm -40 °C

NTN BK1812 needle roller bearings

Angular Contact 0.669 Inch | 17 Mill
No 31171531

Timken RNA69/32 needle roller bearings

0.787 Inch | 20 Mill Metric
4547359567724 Ball Bearing

KOYO M12121 needle roller bearings

1.9 mm 30.2 mm
18.3 mm 5/16-24UNF

NSK RLM3830 needle roller bearings

ABEC 1 | ISO P0 C4-Extra Loose
0.669 Inch | 17 Mill 17 mm

50 mm x 68 mm x 25 mm KOYO NQI50/25 needle roller bearings

Flange Type Black Oxide Coating
Available Deep Groove Ball Bea

ZEN HK1712 needle roller bearings

2.08 kN 1.26 kN
7.86 Hz 0.06 kN
1/18