Roulements à aiguilles

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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 roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.SKF supplies needle roller bearings in many different designs, series and in a wide range of sizes, which makes them appropriate for a wide variety of operating conditions and applications.

Bearing Number Bore Dia Outer DIa Width Size
SNR TNB44256S01 roulements à aiguilles 560 560 mm 82 mm ISO
NTN K18X25X17 roulements à aiguilles ISO 31,75 31,75 mm 31.75x68.262x22.225
NTN KBK14×18×17 roulements à aiguilles 32.8 mm Cylindrical Bore 4,600 N 24000 r/min
NTN RNA0-60X78X20 roulements à aiguilles 161,925 mm 0,8 mm 4,95 Kg 92
NTN PK31.7X41.2X38.1 roulements à aiguilles -0.065 C0 290 48
NBS NK 9/16 TN roulements à aiguilles NSK 252,412 355.6x457.2x252.412 0,32
IKO KT 404820 roulements à aiguilles 8136 kN 0.21 1060 kN 800 mm
NSK FWF-222610 roulements à aiguilles 95 95 mm 280x440x95 423 mm
NSK FJ-5024 roulements à aiguilles 2,2 mm 38,8 mm 1,5 mm 21
KOYO RNAO35X45X26 roulements à aiguilles SNR 1,2 Kg 38 mm 29 mm
FBJ K20X28X25 roulements à aiguilles Needle Roller Bearin WJ-323824 2" Bore; 2-3/8& Not Applicable
KOYO WRSU374235 roulements à aiguilles 1,8 Kg 1 mm 140 71,1 kN