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Needle roller bearings SKF

Needle roller bearings

SKF needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The ends of the rollers are relieved slightly to modify the line contact between the rollers and raceways.

Needle roller and cage assemblies

SKF needle roller and cage assemblies are ready-­to­-mount, self­-contained bearings. They are an excellent choice for applications that require a very rigid bearing arrangement as well as a high load carrying capacity.

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Drawn cup needle roller bearings

SKF drawn cup needle roller bearings have a deep drawn, thin-walled outer ring. They are characterized by a very low sectional height and high load carrying capacity.

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Needle roller bearings with machined rings

SKF needle roller bearings with machined rings are made of carbon chromium bearing steel. Relative to their low sectional height, they have a high load carrying capacity.

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Alignment needle roller bearings

SKF alignment needle roller bearings have an outer ring with a sphered (convex) outside surface. Two polymer seating rings with a sphered (concave) inside surface are encased in a drawn sheet steel sleeve and fitted over the outer ring.

Universal joint bearings

SKF manufactures these bearings with a cold forged or machined cup needle roller bearings with a closed end for different applications.

Needle roller bearing components

Needle roller bearing inner rings

SKF supplies inner rings for needle roller bearings separately. They are typically combined with needle roller and cage assemblies or drawn cup needle roller bearings in applications where the shaft cannot be hardened and ground.

SKF needle rollers are made of carbon chromium steel. The rollers have a hardness of 58 to 65 HRC and have a precision ground surface. They can be used to design full complement bearing arrangements for slow-speed or oscillating applications.

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Combined needle roller bearings

SKF combined needle roller bearings consist of a radial needle roller bearing combined with a thrust bearing. They can accommodate both radial and axial loads. Combined needle roller bearings provide the means to design locating bearing arrangements where radial space is limited.

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Needle roller thrust bearings

SKF needle roller thrust bearings are fitted with a form-stable cage to reliably retain and guide a large number of needle rollers. The very small diameter deviation of the rollers within one assembly enables these bearings to accommodate heavy axial loads and shock loads.

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Track runner bearings

Track runner bearings are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc. These bearings have a thick-walled outer ring, which enables them to accommodate high radial loads, while reducing distortion and bending stresses.

 

Needle Roller Bearings NSK

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Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported.

Needle roller bearings include drawn cup and solid radial bearings, as well as application-specific cam followers, and roller followers. Thrust bearings include thrust needle bearings.

Needle Roller Bearings NTN

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Needle bearings feature a smaller cross-section, higher load-carrying capacity, greater rigidity, and lower inertia forces that facilitate size and weight reductions in machinery.

  • Needle roller and cage assemblies are offered in single or double row, solid or split cage, metric and inch sizes; as well as in connecting rod bearings for special applications.
  • Single and double row bearings are available with or without ribs, and with or without inner rings.
  • Thrust bearings are offered in single row roller and cage assemblies.
  • Yoke and stud type track rollers are also available.