Cross Roller Bearings

Cross Roller Bearings
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Product Details

Cross Roller Bearings

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Product Description

UTOT® Cross Roller Bearings have two kinds. One is Crossed cylindrical roller bearing. Crossed cylindrical roller bearing is one kind of bearing whose rollers are square crossing arranged between outer ring and inner ring. The rollers contact the raceway in linearity, so this bearing has better rigidity and less elastic strain. At the same time, this bearing can carry radial load, axial load and moment load simultaneously. They are especially suitable for high rigidity and high running accuracy applications.
The dimension of the inner and outer rings is a minimum to miniaturization, especially extremely thin type is close to the limit of small size, and high rigidity, so it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical instrument, measuring instruments, IC manufacturing machines, and etc.. 

Products Class of This Type

HRA Crossed Roller Bearings

Features:Inner Diameter: 50-200mm Outer Diameter: 66-226mm Width: 8-13mm Weight: 0.08-0.71kg

HRB Crossed Roller Bearings

Features:Inner Diameter: 30-1250mm Outer Diameter: 55-1500mm Width: 10-110mm Weight: 0.12-440kg

HRE Crossed Roller Bearings

Features:Inner Diameter: 20-600mm Outer Diameter: 36-700mm Width: 8-50mm Weight: 0.04-41.7kg

HRU Crossed Roller Bearings

Features:Inner Diameter: 20-350mm Outer Diameter: 70-540mm Width: 12-45mm Weight: 0.29-35.4kg

HSX Crossed Roller Bearings

Features:Inner Diameter: 70-500mm Outer Diameter: 90-320mm Width: 10-56mm Weight: 0.3-44kg

HXSU Crossed Roller Bearings

Features:Inner Diameter: 130-874mm Outer Diameter: 205-1014mm Width: 25.4-56mm Weight: 3.3-67kg

HCRB/HCRBC Crossed Roller Bearings

Features:Inner Diameter: 50-800mm Outer Diameter: 80-1030mm Width: 13-100mm Weight: 0.29-274kg

HCRBH Crossed Roller Bearings

Features:Inner Diameter: 50-250mm Outer Diameter: 80-310mm Width: 13-25mm Weight: 0.29-4.97kg

HXU Crossed Roller Bearings

Features:Inner Diameter: 40-384mm Outer Diameter: 112-646mm Width: 22-86mm Weight: 1.4-115kg

The other is Crossed tapered roller bearing. Crossed tapered roller bearing contains double sets of raceways and rollers which are brought together at right angle with alternate rollers facing in opposite directions. Unlike crossed roller bearing, the rolling elements of Crossed tapered roller bearing are tapered rollers. The height of cross section is similar to single-row bearing, thus the design of bearing housing is simplified. The steep-angle tapered geometry makes the effective span of the bearing much greater than the width of the bearing itself. Crossed tapered roller bearings can carry high overturning moment, thus they are widely used in large hobbling machine, industrial robot, high speed vertical lathe, high precision working table, vertical boring machine, and spindle of grinding machine etc.

Products Class of This Type

HRA Crossed Roller Bearings   HRB Crossed Roller Bearings  HRE Crossed Roller Bearings HRU Crossed Roller Bearings   HSX Crossed Roller Bearings  HXSU Crossed Roller Bearings HCRB/HCRBC Crossed Roller Bearings HCRBH Crossed Roller Bearings HXU Crossed Roller Bearings

Bearing characteristics:

1. High precision: precision at P4, P4, P2.

2. High rigidity: these series bearings are with preload.

3. High load capacity: can support radial load, axial load, and tilting load.

4. High speed: rollers rolling in the raceway, so the limited speed of crossed taper roller bearings is higher than that of crossed cylindrical roller bearings.

5. Low friction: the frictional torque of crossed taper roller bearings is much lower than that of crossed cylindrical roller bearings

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Why to choose us?

♥ 1. Bearing with high quality competitive price.

♥ 2. Full sizes to choose.

♥ 3. High speed low noise.

♥ 4. Bearing manufacturer.

♥ 5. Delivery in time.

♥ 6. OEM is available.

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Quality

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Workshop show

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Shipping

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Payment

T/T, L/C AT SIGHT, PAYPAL, Western Union,

Packing

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PARTNERS

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