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Cross-Roller Ring -- Xr Series

Supplier From China
Dec-11-18

The XR Series consists of Kaydon cross roller bearings.They provide a high degree of stiffness and low rotational torque within a minimal envelope.This design should be considered when a four-point contact ball bearing does not
meet the operating performance requirements for torque and stiffness.

Design Features
The internal configuration consists of cylindrical rollers in a v-shaped groove in each ring. The rollers are oriented with alternating axes of rotation. Positioned in this manner, the bearing accepts all combinations of radial, thrust, and moment loads. Rotational torque is less than a four-point contact ball design because each roller only transmits load in a single direction, and the greater contact area and geometry of a roller versus a ball provides a higher degree of stiffness and rigidity.

A roller of approximately the same size as a ball has greater load-carrying ability. However, because not all the rollers are oriented in one direction, their thrust and moment load capacity is less than that of a four-point ball bearing.

Gear teeth or other drive mechanisms can be provided on the inner or outer support ring, and your choice of hole pattern can be added for bearing retention.

Availability
XR Series bearings are custom manufactured to fit the design and specification.

Applications
XR Series bearings have been used successfully in applications requiring extra
stiffness with a low torque requirement including:
Radar
Military turrets
Machine tools
Tunnel boring machines

FRB XR series Taper Crossed Roller Bearings:
XR496051
XR820060
XR678052
JXR678054
XR855053
XR882055
XR889058
XR897051

Price and Minimum Quantity

Price: $1000
MOQ: Not Specified

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