Ball Screw specifications

Lead (mm)

1

BCD (mm)

8.2

Thread minor diameter (mm)

7.3

Threading direction/
no. of threaded grooves

Right-hand, 1

No. of circuits

3 rowsX 1 turn

Clearance symbol

G0

GT

G2

Axial clearance (mm)

0

0.005 Max

0.02 Max

Basic dynamic load rating Ca(kN)

0.64

Basic static load rating C0a(kN)

1.4

Preload torque  (N·m)

¡­1.8×10-2

-

Spacer ball

None

 

 

Unit : mm

1kN¡Ö102kgf

 

Ball Screw model No.

Stroke

Screw-shaft length

Screw-shaft
longitudinal-axis
runout

D

Nut
circumferential
runout

H

Flange
perpen-
dicularity

I

Shaft
thread
runout

J

L1

L2

L3

BNK 0801-3G0 + 115LC3Y

40

66

76

115

0.025

0.009

0.008

0.008

BNK 0801-3G0 + 115LC5Y

0.025

0.012

0.010

0.010

BNK 0801-3G2 + 115LC7Y

0.035

0.020

0.014

0.014

BNK 0801-3G0 + 145LC3Y

70

96

106

145

0.030

0.009

0.008

0.008

BNK 0801-3G0 + 145LC5Y

0.035

0.012

0.010

0.010

BNK 0801-3G2 + 145LC7Y

0.050

0.020

0.014

0.014

BNK 0801-3G0 + 175LC3Y

100

126

136

175

0.030

0.009

0.008

0.008

BNK 0801-3G0 + 175LC5Y

0.035

0.012

0.010

0.010

BNK 0801-3G2 + 175LC7Y

0.050

0.020

0.014

0.014

BNK 0801-3G0 + 225LC3Y

150

176

186

225

0.035

0.009

0.008

0.008

BNK 0801-3G0 + 225LC5Y

0.050

0.012

0.010

0.010

BNK 0801-3G2 + 225LC7Y

0.065

0.020

0.014

0.014