14
MN1617
Table 5–Inch Shafts for Straight Hollow Bore Installation
Dimensions - Inch
Unit
Size
FG
Ø
FH
FV
GF
M
M1
M4
S
Ø U
Y
Max.
Ø UE Ø UG
tol.
UY
Max
VL
VB VB1
VG
Ø RS
M_38 0.38
0.75 0.625 0.12
3/8-16
3/8-16
1.73 0.31
1.250
0.250 1.245
1.250
+0.000
-0.0006
1.367 3.50
1.75 6.00
4.02
1.75
M_48
0.38 0.93
0.625 0.12
3/8-16
5/8-18
2.28 0.50
1.375
0.312 1.370
1.375
+0.000
-0.0006
1.52
4.50
1.75
7.00
5.04
1.875
M_48
0.38
0.75 0.625 0.12
3/8-16
5/8-16
1.73 0.31
1.250
0.250 1.245
1.25
+0.000
-0.0006
1.367
4.5
1.75
7.00
5.04
1.75
M_58
0.38
1.06 0.625 0.12
5/8-11
3/4-10
2.48
0.63
1.500
0.375
1.495
1.495
+0.000
-0.0006 1.669
5.00
1.75
7.50
5.59
2.00
3/8-16
1.4375
1.433
1.433
+0.000
-0.0006 1.605
1.9375
M_68 0.50 1.06 0.875 0.25
5/8-11
3/4-10
2.72
0.63
1.500
0.375
1.495
1.5
+0.000
-0.0006 1.669
5.25 2.25 8.00
5.91
2.00
3/8-16
1.4375
1.433 1.4375
+0.000
-0.0006 1.605
1.9375
M_88 0.50
1.37 0.813
0.25
3/4-10
7/8-14
3.07
0.81
2.000
0.5
1.995 2.000
+0.000
-0.0007
2.22
6.5
2.25 9.50
7.09
2.50
5/8-11
1.9375
1.933
1.938
+0.000
-0.0006
2.16
2.4375
M_108 0.50 1.75 1.00
0.31 3/4-10
7/8-14
3.66
0.81
2.375
0.625
2.370
2.375
+0.000
-0.0007
2.65
7.25
3.00
12.50 8.19
2.875
2.4375
2.433 2.438
+0.000
-0.0007 2.714
2.9375
M_128 0.50 2.00 1.00
0.31 3/4-10
7/8-14
4.84 0.81
2.750
0.625 2.745
2.750
+0.000
-0.0007
3.03
9.5
3.00
14.00
10.35
3.25
2.9375
0.750
2.933 2.938
+0.000
-0.0007
3.269
3.4375
M_148 0.50 2.62 1.00
0.31
1-8
1-1/4-12 5.83
1.00
3.625
0.875
3.620
3.625
+0.000
-0.0009
4.01
11.00
3.00
16.00 12.20
4.125
3.4375
3.433 3.438
+0.000
-0.0009
3.82
3.9375
M_168 0.50
3.00
1.25
0.31
1-8
1-1/4-12
6.89 1.00
4.000
1.000
3.995
4.000
+0.000
-0.0009
4.44
13.25 3.00
18.50 14.41
4.50
3.9375
3.933 3.938
+0.000
-0.0009
4.378
4.4375
Hollow shaft tolerances (For dimension U) are shown in the gearbox dimension pages.
Tolerance for dimension UE should be -0.01 inches for inch bore shafts
Bold text shaft diameters indicate standard shaft
RS Dimension is the minimum recommended shaft shoulder diameter
VB
RETAINING BOLT M
ROUND KEYED NUT
UY
Y
ØUE
FG
ØFH
FV
M1-TAP
REMOVAL BOLT
M1
VB1
S
DISK
ØUE
GF
MACHINE'S
DRIVE SHAFT
VL
ØUG
M-TAP
2.5 x M
MINIMUM
CUSTOMER SUPPLIED KEY.
REFERENCE GEARCASE DIMENSIONS
FOR RECOMMENDED KEY.
ØRS
Figure 7 – Straight Hollow Bore Assembly/Disassembly