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Cross roller guide

Crossed roller guide is a linear motion rolling guide that incorporates a roller cage between two linear ways with V-shaped surfaces that act as track grooves. Because the cylindrical rollers are alternately crossed, this arrangement can handle loads in any direction while providing extremely high-accuracy and smooth linear motion. Models are available in various sizes which can be selected based on the application.

For most design engineers, cross roller guides are known as precision rail guides with flat cages, a common choice for use in precision applications with limited stroke lengths, typically less than 1 meter. The main function of the linear bearing is to support a load with low friction in a straight-line motion.

The reasons for using precision linear guides are numerous, but their most obvious benefits over other types of guides are:

  • Very low and uniform coefficient of friction
  • Almost stick-slip free and smooth operation
  • Compact dimensions
  • High load capacity and high rigidity
  • No backlash / high running accuracy
  • wear and high reliability

Linear rail guides are available in different product types and designed with specific features for the applications.

PRODUCT FILTERS AND TABLE

Roller diameter (mm)

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Designation Maximum Roller diameter Length Combined width Height Basic dynamic load rating per roller Basic static load rating per roller
ST Da L M A C C0
mm
mm
mm
mm
mm
N
N
VR 1-20x5Z 12 1.5 20 8.5 4 98 69
VR 1-30x7Z 22 1.5 30 8.5 4 98 69
VR 1-40x10Z 27 1.5 40 8.5 4 98 69
VR 1-50x13Z 32 1.5 50 8.5 4 98 69
VR 1-60x16Z 37 1.5 60 8.5 4 98 69
VR 1-70x19Z 42 1.5 70 8.5 4 98 69
VR 1-80x21Z 52 1.5 80 8.5 4 98 69
VR 2-30x5Z 18 2 30 12 6 176 127
VR 2-45x8Z 24 2 45 12 6 176 127
VR 2-60x11Z 30 2 60 12 6 176 127
VR 2-75x13Z 44 2 75 12 6 176 127
VR 2-90x16Z 50 2 90 12 6 176 127
VR 2-105x18Z 64 2 105 12 6 176 127
VR 2-120x21Z 70 2 120 12 6 176 127
VR 2-135x23Z 84 2 135 12 6 176 127
VR 2-150x26Z 90 2 150 12 6 176 127
VR 2-165x29Z 96 2 165 12 6 176 127
VR 2-180x32Z 102 2 180 12 6 176 127
VR 3-50x7Z 28 3 50 18 8 363 275
VR 3-75x10Z 48 3 75 18 8 363 275
VR 3-100x14Z 58 3 100 18 8 363 275
VR 3-125x17Z 78 3 125 18 8 363 275
VR 3-150x21Z 88 3 150 18 8 363 275
VR 3-175x24Z 108 3 175 18 8 363 275
VR 3-200x28Z 118 3 200 18 8 363 275
VR 3-225x31Z 138 3 225 18 8 363 275
VR 3-250x35Z 148 3 250 18 8 363 275
VR 3-275x38Z 168 3 275 18 8 363 275
VR 3-300x42Z 178 3 300 18 8 363 275
VR 4-80x7Z 58 4 80 22 11 764 637
VR 1-20x5Z
ST Maximum 12 mm
Da Roller diameter 1.5 mm
L Length 20 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-30x7Z
ST Maximum 22 mm
Da Roller diameter 1.5 mm
L Length 30 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-40x10Z
ST Maximum 27 mm
Da Roller diameter 1.5 mm
L Length 40 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-50x13Z
ST Maximum 32 mm
Da Roller diameter 1.5 mm
L Length 50 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-60x16Z
ST Maximum 37 mm
Da Roller diameter 1.5 mm
L Length 60 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-70x19Z
ST Maximum 42 mm
Da Roller diameter 1.5 mm
L Length 70 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 1-80x21Z
ST Maximum 52 mm
Da Roller diameter 1.5 mm
L Length 80 mm
M Combined width 8.5 mm
A Height 4 mm
C Basic dynamic load rating per roller 98 N
C0 Basic static load rating per roller 69 N
VR 2-30x5Z
ST Maximum 18 mm
Da Roller diameter 2 mm
L Length 30 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-45x8Z
ST Maximum 24 mm
Da Roller diameter 2 mm
L Length 45 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-60x11Z
ST Maximum 30 mm
Da Roller diameter 2 mm
L Length 60 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-75x13Z
ST Maximum 44 mm
Da Roller diameter 2 mm
L Length 75 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-90x16Z
ST Maximum 50 mm
Da Roller diameter 2 mm
L Length 90 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-105x18Z
ST Maximum 64 mm
Da Roller diameter 2 mm
L Length 105 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-120x21Z
ST Maximum 70 mm
Da Roller diameter 2 mm
L Length 120 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-135x23Z
ST Maximum 84 mm
Da Roller diameter 2 mm
L Length 135 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-150x26Z
ST Maximum 90 mm
Da Roller diameter 2 mm
L Length 150 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-165x29Z
ST Maximum 96 mm
Da Roller diameter 2 mm
L Length 165 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 2-180x32Z
ST Maximum 102 mm
Da Roller diameter 2 mm
L Length 180 mm
M Combined width 12 mm
A Height 6 mm
C Basic dynamic load rating per roller 176 N
C0 Basic static load rating per roller 127 N
VR 3-50x7Z
ST Maximum 28 mm
Da Roller diameter 3 mm
L Length 50 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-75x10Z
ST Maximum 48 mm
Da Roller diameter 3 mm
L Length 75 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-100x14Z
ST Maximum 58 mm
Da Roller diameter 3 mm
L Length 100 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-125x17Z
ST Maximum 78 mm
Da Roller diameter 3 mm
L Length 125 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-150x21Z
ST Maximum 88 mm
Da Roller diameter 3 mm
L Length 150 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-175x24Z
ST Maximum 108 mm
Da Roller diameter 3 mm
L Length 175 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-200x28Z
ST Maximum 118 mm
Da Roller diameter 3 mm
L Length 200 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-225x31Z
ST Maximum 138 mm
Da Roller diameter 3 mm
L Length 225 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-250x35Z
ST Maximum 148 mm
Da Roller diameter 3 mm
L Length 250 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-275x38Z
ST Maximum 168 mm
Da Roller diameter 3 mm
L Length 275 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 3-300x42Z
ST Maximum 178 mm
Da Roller diameter 3 mm
L Length 300 mm
M Combined width 18 mm
A Height 8 mm
C Basic dynamic load rating per roller 363 N
C0 Basic static load rating per roller 275 N
VR 4-80x7Z
ST Maximum 58 mm
Da Roller diameter 4 mm
L Length 80 mm
M Combined width 22 mm
A Height 11 mm
C Basic dynamic load rating per roller 764 N
C0 Basic static load rating per roller 637 N
Maximum
ST
12 mm
Roller diameter
Da
1.5 mm
Length
L
20 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
22 mm
Roller diameter
Da
1.5 mm
Length
L
30 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
27 mm
Roller diameter
Da
1.5 mm
Length
L
40 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
32 mm
Roller diameter
Da
1.5 mm
Length
L
50 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
37 mm
Roller diameter
Da
1.5 mm
Length
L
60 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
42 mm
Roller diameter
Da
1.5 mm
Length
L
70 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
52 mm
Roller diameter
Da
1.5 mm
Length
L
80 mm
Combined width
M
8.5 mm
Height
A
4 mm
Basic dynamic load rating per roller
C
98 N
Basic static load rating per roller
C0
69 N
Maximum
ST
18 mm
Roller diameter
Da
2 mm
Length
L
30 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
24 mm
Roller diameter
Da
2 mm
Length
L
45 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
30 mm
Roller diameter
Da
2 mm
Length
L
60 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
44 mm
Roller diameter
Da
2 mm
Length
L
75 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
50 mm
Roller diameter
Da
2 mm
Length
L
90 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
64 mm
Roller diameter
Da
2 mm
Length
L
105 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
70 mm
Roller diameter
Da
2 mm
Length
L
120 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
84 mm
Roller diameter
Da
2 mm
Length
L
135 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
90 mm
Roller diameter
Da
2 mm
Length
L
150 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
96 mm
Roller diameter
Da
2 mm
Length
L
165 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
102 mm
Roller diameter
Da
2 mm
Length
L
180 mm
Combined width
M
12 mm
Height
A
6 mm
Basic dynamic load rating per roller
C
176 N
Basic static load rating per roller
C0
127 N
Maximum
ST
28 mm
Roller diameter
Da
3 mm
Length
L
50 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
48 mm
Roller diameter
Da
3 mm
Length
L
75 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
58 mm
Roller diameter
Da
3 mm
Length
L
100 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
78 mm
Roller diameter
Da
3 mm
Length
L
125 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
88 mm
Roller diameter
Da
3 mm
Length
L
150 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
108 mm
Roller diameter
Da
3 mm
Length
L
175 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
118 mm
Roller diameter
Da
3 mm
Length
L
200 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
138 mm
Roller diameter
Da
3 mm
Length
L
225 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
148 mm
Roller diameter
Da
3 mm
Length
L
250 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
168 mm
Roller diameter
Da
3 mm
Length
L
275 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
178 mm
Roller diameter
Da
3 mm
Length
L
300 mm
Combined width
M
18 mm
Height
A
8 mm
Basic dynamic load rating per roller
C
363 N
Basic static load rating per roller
C0
275 N
Maximum
ST
58 mm
Roller diameter
Da
4 mm
Length
L
80 mm
Combined width
M
22 mm
Height
A
11 mm
Basic dynamic load rating per roller
C
764 N
Basic static load rating per roller
C0
637 N
111

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