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RA Series Crossed Roller Bearings

Features: Split outer ring, integrated inner ring, Ultra-thin
Inner Diameter: 50-200mm Outer Diameter: 66-226mm
Width: 8-13mm Weight: 0.08-0.71kg
Precision: P5, P4, P2
High rigidity: This series of bearing have to preload
High load: Can bear double-direction axial load, radial load, and tilting moment
Small size: This series bearing can save space for machine tools

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RA Series Crossed Roller Bearings

RA series cross roller bearing is a kind of small size and light weight cross roller bearing in which the wall thickness is thinner. It can be suited for the hand location of the robots used in the rotary area. It is small and can withstand a heavy load. So bearing housing and presser flange can be lightweight.

Series Introduction

Features: Split outer ring, integrated inner ring, Ultra-thin
Inner Diameter: 50-200mm Outer Diameter: 66-226mm
Width: 8-13mm Weight: 0.08-0.71kg
Precision: P5, P4, P2
High rigidity: This series of bearing have to preload
High load: Can bear double-direction axial load, radial load, and tilting moment
Small size: This series bearing can save space for machine tools

Technical data

Designation Main dimensions Roller pitch circle diameter Chamfer Shoulder height Basic load rating (radial) Mass
inner ring outer ring width B /B1
d(mm) D(mm) (mm) DP (mm) r(min) ds Dh C(kN) C0(kN) kg
RA5008 50 66 8 57 0.5 53.5 60.5 5.1 7.19 0.08
RA6008 60 76 8 67 0.5 63.5 70.5 5.68 8.68 0.09
RA7008 70 86 8 77 0.5 73.5 80.5 5.98 9.8 0.1
RA8008 80 96 8 87 0.5 83.5 90.5 6.37 11.3 0.11
RA9008 90 106 8 97 0.5 93.5 100.5 6.76 12.4 0.12
RA10008 100 116 8 107 0.5 103.5 110.5 7.15 13.9 0.14
RA11008 110 126 8 117 0.5 113.5 120.5 7.45 15 0.15
RA12008 120 136 8 127 0.5 123.5 130.5 7.84 16.5 0.17
RA13008 130 146 8 137 0.5 133.5 140.5 7.94 17.6 0.18
RA14008 140 156 8 147 0.5 143.5 150.5 8.33 19.1 0.19
RA15008 150 166 8 157 0.5 153.5 160.5 8.82 20.6 0.2
RA16013 160 186 13 172 0.5 165 179 23.3 44.9 0.59
RA17013 170 196 13 182 0.8 175 189 23.5 46.5 0.64
RA18013 180 206 13 192 0.8 185 199 24.5 49.8 0.68
RA19013 190 216 13 202 0.8 195 209 24.9 51.5 0.69
RA20013 200 226 13 212 0.8 205 219 25.8 54.7 0.71

RA Series Cross Roller Bearing Features

Compact, Highly Rigid Swivel Bearings, Achieving a Superb Rotation Accuracy

  • High-speed capability
  • Reduce shaft length and processing costs; thermal expansion causes little changes in geometric dimensions.
  • Adopt nylon divider, low moment of inertia, low starting torque, easy-to-control angle indexing
  • Optimized pre-tightening force, high rigidity, high precision of guiding roller operation
  • Carburized steel provides excellent impact resistance and surface abrasion resistance.
  • Simple but well lubricated

RA Series Cross Roller Bearing Applications

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 equipment, measuring instruments, and IC manufacturing machines.

Company Information

We are a professional bearing exporter in China, producing many different types and sizes of bearings. We can provide you with excellent service in a wide range of bearings with world-class quality, such as deep groove ball bearings, spherical roller bearings, self-aligning ball bearings, cylindrical roller bearings, tapered roller bearings, angular contact ball bearings, needle roller bearings, crossed roller bearings, pillow block bearing, slewing bearings, spherical plain bearings, etc. Bearings can also provide OEM services according to customer requirements. Our bearings products are widely used in various applications, such as port, ship, vehicle, mining, engineering, lifting, environmental protection, oil, chemicals, light industry, metallurgical machinery, the military, etc. Products are exported to the United States, Germany, Japan, Spain, Canada, Italy, France, Finland, South Korea, India, Singapore, Brazil, Australia, and other countries. If you need crossed roller bearings, please get in touch with us.

FAQ

Q. Are you a trading company or a manufacturer?

A: We are a manufacturer.

Q: How long is your crossed roller bearings delivery time?

A: Generally, it is 3-5 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, according to quantity.

Q: Do you provide samples for crossed roller bearings? Is it free or extra?

A: Yes, we could offer the sample for free but do not pay the freight cost.

Q: Could you accept OEM and customize crossed roller bearings?

A: We can customize it for you according to the sample or drawing.

Q: What are your terms of payment?

A: Payment<=1000USD, 100% in advance.Payment>=1000USD, 30% T/T in advance ,pay the balance before shippment.

Q: Will you check these products before shipment?

A: Our factory QC Process System will strictly inspect products before shipment. We have a professional QC team.

Q: What will we do if you are unsatisfied with the product?

A: If you have any abnormalities, please get in touch with us for the first time, and we will immediately process them.

If you need crossed roller bearings or any models of bearings, please contact me!

Products Category

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We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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