Recommended seating torque for brass rb 72 – Rockwell Automation LZ Series Linear Motors User Manual
Page 59
Publication LZ-UM001A-EN-P - January 2008
Mounting Bolts and Torque Values 59
Recommended Seating Torque for Brass Rb 72
Bolt Size
(1), (2)
UNC
UNF
Plain
Cadmium Plated Plain
Cadmium Plated
Nm (in-lb)
Nm (in-lb)
Nm (in-lb)
Nm (in-lb)
#0
–
–
0.24 (2.1)
(3)
0.18 (1.6)
(3)
#1
0.43(3.8)
(3)
0.33 (2.9)
(3)
0.46 (4.1)
0.34 (3.0)
(3)
#2
0.71 (6.3)
(3)
0.53 (4.7)
(3)
0.77 (6.8)
(3)
0.58 (5.1)
(3)
#3
1.08 (9.6)
(3)
0.81 (7.2)
(3)
1.16 (10.3)
(3)
0.87 (7.7)
(3)
#4
1.52 (13.5)
(3)
1.1 (10)
(3)
1.67 (14.8)
(3)
1.24 (11)
(3)
#5
2.2 (20)
(3)
1.7 (15)
(3)
2.4 (21)
(3)
1.8 (16)
(3)
#6
2.8 (25)
(3)
2.1 (19)
(3)
3.2 (28)
(3)
2.4 (21)
(3)
#8
5.2 (46)
(3)
3.8 (34)
5.4 (48)
(3)
4.1 (36)
(3)
#10
7.6 (67)
(3)
5.6 (50)
(3)
8.6 (76)
(3)
6.4 (57)
(3)
1/4
15.3 (136)
11.5 (102)
15.4 (136)
11.5 (102)
5/16
25.8 (228)
19.3 (171)
25.8 (228)
19.3 (171)
3/8
53.7 (476)
40.3 (357)
53.7 (476)
40.3 (357)
7/16
76.8 (680)
57.6 (510)
76.8 (680)
57.6 (510)
(1)
Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2)
Torque is based on 60,000 psi bearing stress under the head of the bolt.
(3)
Denotes torques based on 100,000 psi tensile stress with both threads up to one inch in diameter.