Rockwell Automation LZ Series Linear Motors - Manual (Page 58)

Publication LZ-UM001A-EN-P - January 2008
58 Mounting Bolts and Torque Values
Recommended Seating Torque for Mild Steel Rb 87 or Cast Iron Rb 83
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 0.44 (3.89)
(3)
0.53 (4.7)
(3)
0.46 (4.1)
(3)
0.34 (3.0)
(3)
#2 0.71 (6.3)
(3)
0.53 (4.7)
(3)
0.76 (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)
1.13 (10)
(3)
1.67 (14.8)
(3)
1.2 (11)
(3)
#5 2.3 (20)
(3)
1.7 (15)
(3)
2.37 (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)
(3)
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 17.8 (158)
(3)
13.4 (119)
(3)
20.3 (180)
(3)
15.4 (136)
(3)
5/16 36.8 (326)
(3)
27.7 (245)
(3)
40.7 (360)
(3)
30.5 (270)
(3)
3/8 65.5 (580)
(3)
49.1 (435) 71.7 (635) 53.7 (476)
7/16 105 (930)
(3)
78.9 (698)
(3)
117.5 (1040)
(3)
88.1 (780)
(3)
1/2 160 (1420)
(3)
172.8 (1530)
(3)
254.2 (2250) 190.9 (1690)
(3)
(1)
Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 80,000 psi bearing stress under the head of the bolt.
(3) Denotes torque based on 100,000 psi tensile stress, with both threads up to one inch in diameter.