Cyclo® HBB
Operation & Maintenance Manual
13
Cyclo® HBB
Installation onto Driven Shaft
Keyed Hollow Bore Installation
Keyed Hollow Bore Installation
onto Driven Shaft
1
Externally support the Cyclo® HBB before inserting the driven shaft into the keyed
hollow bore Maintain external support until the shaft is completely inserted and
secured to the unit
2
Apply molybdenum disulfide grease to the driven shaft surface and inside the keyed
hollow bore
Grease
Table 4 Driven Shaft Tolerances –
With Shock Load or Large Radial Load
Inch
Metric, mm
Frame
Shaft Dia
Tolerance
Shaft Dia
Tolerance
Size Min Max
Min Max
Z
1-3/16 1-1/2 +0 0007 / +0 0001
30
40
+0 018 / +0 002
A
1-3/4 1-15/16 +0 0007 / +0 0001
45
50
+0 018 / +0 002
2
2-3/16 +0 0008 / +0 0001
51
55
+0 021 / +0 002
B
2-3/16 2-5/8 +0 0008 / +0 0001
55
65
+0 021 / +0 002
C
2-7/16
3
+0 0008 / +0 0001
60
75
+0 021 / +0 002
D
2-3/4
3-1/8 +0 0008 / +0 0001
70
80
+0 021 / +0 002
3-3/16 3-7/16 +0 0010 / +0 0001
81
85
+0 025 / +0 003
E
3-3/16 3-15/16 +0 0010 / +0 0001
80
80
+0 021 / +0 002
81 - 100 81 - 100 +0 025 / +0 003
Bore and Shaft Tolerance Specifications
• The hollow shaft bore tolerance conforms to JIS H8, unless specified otherwise.
• Sumitomo recommends a shaft tolerance of JIS js6 or JIS k6 if the application involves high shock loading and/or large radial loads.
Table 3 Driven Shaft Tolerances -
Uniform Load without Shock Load
Inch
Metric, mm
Frame
Shaft Dia
Tolerance
Shaft Dia
Tolerance
Size Min Max
Min Max
Z
1-3/16
1-1/2
+0 / -0 0006
30
40
+0 / -0 016
A
1-3/4
1-15/16 +0 / -0 0006
45
50
+0 / -0 016
2
2-3/16 +0 / -0 0007
51
55
+0 / -0 019
B
2-3/16
2-5/8
+0 / -0 0007
55
65
+0 / -0 019
C
2-7/16
3
+0 / -0 0007
60
75
+0 / -0 019
D
2-3/4
3-1/8
+0 / -0 0007
70
80
+0 / -0 019
3-3/16
3-7/16 +0 / -0 0009
81
85
+0 / -0 022
E
3-3/16 3-15/16 +0 / -0 0009
80
80
+0 / -0 019
81 - 100 81 - 100 +0 / -0 022
Summary of Contents for Cyclo HBB
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