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Home >  Products > Crossed Cylindrical Roller Bearings > HRA Crossed Roller Bearings
HRA Crossed Roller Bearings
Crossed Cylindrical Roller Bearings
For HRA series, the size of the outer ring is small, the weight is light and the wall is thinner
Inner Diameter: 50-200mm
Outer Diameter: 66-226mm
Width: 8-13mm
Weight: 0.08-0.71kg
Details DrawingSpecifications Comments

HRA series cross roller bearing characteristics:

1. High precision: P4 precision, P2 precision.

2. High rigidity: This series bearing have preload.

3. High load: This series bearing can bear double-direction axial load, radial load and tilting moment.

4. Small size: This series bearing can save space for machine tools.


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

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Type

Main dimensions

Shoulder height

Basic load rating (radial)

weight

inner ring

d(mm)

outer ring

D(mm)

Roller pitch circle diameter Dpw (mm)

width B /B1

(mm)

Chamfer

r(min)

ds

Dh

C

kN

C0

kN

Kg

HRA5008

50

66

57

8

0.5

53.5

60.5

5.1

7.19

0.08

HRA6008

60

76

67

8

0.5

63.5

70.5

5.68

8.68

0.09

HRA7008

70

86

77

8

0.5

73.5

80.5

5.98

9.8

0.1

HRA8008

80

96

87

8

0.5

83.5

90.5

6.37

11.3

0.11

HRA9008

90

106

97

8

0.5

93.5

100.5

6.76

12.4

0.12

HRA10008

100

116

107

8

0.5

103.5

110.5

7.15

13.9

0.14

HRA11008

110

126

117

8

0.5

113.5

120.5

7.45

15

0.15

HRA12008

120

136

127

8

0.5

123.5

130.5

7.84

16.5

0.17

HRA13008

130

146

137

8

0.5

133.5

140.5

7.94

17.6

0.18

HRA14008

140

156

147

8

0.5

143.5

150.5

8.33

19.1

0.19

HRA15008

150

166

157

8

0.5

153.5

160.5

8.82

20.6

0.2

HRA16013

160

186

172

13

0.5

165

179

23.3

44.9

0.59

HRA17013

170

196

182

13

0.8

175

189

23.5

46.5

0.64

HRA18013

180

206

192

13

0.8

185

199

24.5

49.8

0.68

HRA19013

190

216

202

13

0.8

195

209

24.9

51.5

0.69

HRA20013

200

226

212

13

0.8

205

219

25.8

54.7

0.71