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High Precision RA 18013 Crossed Roller Bearings

High Rotation Accuracy of RA18013 Cross Roller Bearing/ CRBS 18013 Bearings

With the Cross-Roller Bearing, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90 degree V groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads.

E-mail: sales@xrbearing.com, brandbearings@gmail.com
Skype:brandbearings
Whatsapp: 0086-13280450757
www.electricallyinsulatedbearings.com
Availability:
  • RA 18013, RA 18013C

  • EASIER / TKW

  • CRBS18013 A UU, CRBS18013 V UU

  • CRBS18013, CRBS18013V

  • Best Factory Price

RA Type THK Cross roller bearings

Part Number RA18013 Bearing
Bearing Type Crossed Roller Bearings
Interchange CRBS18013 Bearings
Construction Single Row,Combined Radial; Thrust; and Moment
Seal Type Open
ABEC Rating ABEC-5, ABEC-7, ABEC-9
Ring Material Steel
Roller Material Steel
Shaft dia. mm 180
Mass(kg) 0.68
Bore Dia (d) 180mm
Outer Dia (D) 206mm
Width (B) 13mm


The outer ring of the Standard Type Crossed Roller Bearings is made of two split pieces, which are bolted together to prevent separation during transportation or mounting, enabling easy handling. These bearings are widely used in the rotating parts of industrial robots, machine tools, medical equipment, etc., which require compactness, high rigidity and high rotational accuracy. In addition, bearings made of stainless steel and those with inner and outer rings provided with mounting holes are also available on request.


● High Rotation Accuracy of RA18013 Cross Roller Bearing/ CRBS 18013 Bearings

● Significantly Increased Rigidity (Three to Four times Greater)

Unlike the thin angular ball bearings installed in double rows, the cross array of rollers allows a single Cross-Roller Ring unit to receive loads in all directions, increasing the rigidity to three to four times greater than the conventional type.





Major dimensions Shoulder dimensions Basic load rating Mass
Shaft diameter
(radial)
TKW Model No. Inner diameter Outer diameter Roller pitch circle diameter









d D dp Width Greasing hole


C C0





B B1 a b rmin ds Dh kN kN kg
50 RA 5008 50 66 57 8 2 0.8 0.5 53.5 60.5 5.1 7.19 0.08
60 RA 6008 60 76 67 8 2 0.8 0.5 63.5 70.5 5.68 8.68 0.09
70 RA 7008 70 86 77 8 2 0.8 0.5 73.5 80.5 5.98 9.8 0.1
80 RA 8008 80 96 87 8 2 0.8 0.5 83.5 90.5 6.37 11.3 0.11
90 RA 9008 90 106 97 8 2 0.8 0.5 93.5 100.5 6.76 12.4 0.12
100 RA 10008 100 116 107 8 2 0.8 0.5 103.5 110.5 7.15 13.9 0.14
110 RA 11008 110 126 117 8 2 0.8 0.5 113.5 120.5 7.45 15 0.15
120 RA 12008 120 136 127 8 2 0.8 0.5 123.5 130.5 7.84 16.5 0.17
130 RA 13008 130 146 137 8 2 0.8 0.5 133.5 140.5 7.94 17.6 0.18
140 RA 14008 140 156 147 8 2 0.8 0.5 143.5 150.5 8.33 19.1 0.19
150 RA 15008 150 166 157 8 2 0.8 0.5 153.5 160.5 8.82 20.6 0.2
160 RA 16013 160 186 172 13 2.5 1.6 0.8 165 179 23.3 44.9 0.59
170 RA 17013 170 196 182 13 2.5 1.6 0.8 175 189 23.5 46.5 0.64
180 RA 18013 180 206 192 13 2.5 1.6 0.8 185 199 24.5 49.8 0.68
190 RA 19013 190 216 202 13 2.5 1.6 0.8 195 209 24.9 51.5 0.69
200 RA 20013 200 226 212 13 2.5 1.6 0.8 205 219 25.8 54.7 0.71


When you purchase the crossed roller bearings, please confirm the designation first.

1.  Model RU (Integrated Inner/Outer Ring Type) 

2. Model RB (Separable Outer Ring Type for Inner Ring Rotation)

3. Model RE (Separable Inner Ring Type for Outer Ring Rotation)

4. USP-Grade Series of Models RB/RE

5. Model RA (Separable Outer Ring Type for Inner Ring Rotation)

6. Model RA-C (Single-Split Type)


cross roller bearings


Products Features

1.Same standard with IKO,THK,INA,KAYDON,HIWIN,PMI

2.High rigidity

3.Accept loads from all directions at the same time

4.Smooth rotation

5.Compact, space saving

6.Easy installation and adjustment

7.Varuous bearing types and sizes to accommodate your requirements.

8.Customized designs available



E-mail: sales@xrbearing.com, brandbearings@gmail.com

Skype:brandbearings

Whatsapp: 0086-13280450757

www.electricallyinsulatedbearings.com 

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 +86-635-8509787 / +86-13280450757
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