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Freewheel Clutches - Cross & Morse - #19

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Industrial Ratchet Freewheels and Adaptors
Industrial Ratchet Freewheels provide positive one-way drive with high torque capacity within a small unit. A ratchet and pawl mechanism is used with materials and heat treatment selected for a long operating life, with safe, positive transmission. IRF's are suited to low speed (up to 150 r.p.m.) overrun applications where shock loads may be encountered, such as Agricultural machinery. Standard stock units are available in two configurations; as standard sprocket for 1/2 inch pitch chains, or with a drilled flange to fit conveyor rollers, pulleys, or wheels. Standard units have threaded bore to cycle standards, but a range of Adaptors enable fitting to keyed shafting. IRF clutches are also stocked in part-assembled condition for reworking to custom design, including finish parallel bore and keyseat. Many special Industrial Ratchet Freewheels have been manufactured to meet customers' requirements with torques over 1,000 Nm.
CROSS+MORSE
3 6
o
o
5 5
Dimensions in mm
I.R.F. Clutches with external mounting flange
Freewheel Size
Threaded Bore Diameter m
Shroud Diameter B
P.C.D. Holes C
Hole
Diameter
D
Outside Diameter E
Body
Width F
Flange
Width
G
Overall
Width H
Torque Capacity Nm
Standard Adaptor Size
ins
mm
M.PF.
0.970
24.64
46.7
54.8
4.9
62.5
11.4
2.9
12.8
42
F11
R.S.J.
1.370
34.80
62.7
69.8
5.2
77.8
13.7
2.9
15.2
150
A211
N.V.F.
2.000
50.80
82.5
94.4
4.9
105.0
13.7
4.4
15.9
206
A213
(1) M.PF. Clutch bore threaded 20 T.PI. B.S.W. R.H. Form. R.S.J. and N.VF. threaded 24 T.PI. C.E.I. R.H. Form.
I.R.F. Sprockets to suit standard BS Series Chains Dimensions in mm
E C B
Freewheel
Chain
No.
Threaded Bore
Shroud
P.C.D.
O.D.
Tooth
Body
Overall
Nominal
Standard
Size
Size
Teeth
Diameter m
Dia.
of
Sprocket
Width
Width
Torque
Torque
Adaptor
ins
mm
B
Sprocket
E
G
F
H
Nm
Size
F10B 14
081
14
0.970
24.64
46.7
57.1
64.8
2.9
11.4
12.8
42
F11
A10A 16
081
16
1.370
34.80
54.8
65.1
71.5
2.9
13.7
16.0
106
A211
A10A 17
081
17
1.370
34.80
54.8
69.1
76.0
2.9
13.7
16.0
106
A211
A10A 18
081
18
1.370
34.80
62.2
73.1
78.8
2.9
13.7
16.0
150
A211
A10A 19
081
19
1.370
34.80
65.5
77.2
82.3
2.9
13.7
16.0
150
A211
A10A 20
081
20
1.370
34.80
65.5
81.2
86.4
2.9
13.7
16.0
150
A211
A10A 21
081
21
1.370
34.80
65.5
85.2
92.2
2.9
13.7
16.0
150
A211
A10A 22
081
22
1.370
34.80
65.5
89.2
96.1
2.9
13.7
16.0
150
A211
A10A 23
081
23
1.370
34.80
65.5
93.3
100.1
2.9
13.7
16.0
150
A211
A10A 24
081
24
1.370
34.80
65.5
97.3
103.1
2.9
13.7
16.0
150
A211
A10A 25
081
25
1.370
34.80
65.5
101.3
108.2
2.9
13.7
16.0
150
A211
A10A 26
081
26
1.370
34.80
65.5
105.3
112.3
2.9
13.7
16.0
150
A211
A10B 16
083
16
1.370
34.80
54.8
65.1
71.5
4.4
13.7
16.0
106
A211
A10B 17
083
17
1.370
34.80
54.8
69.1
76.0
4.4
13.7
16.0
106
A211
A10B 18
083
18
1.370
34.80
62.2
73.1
80.0
4.4
13.7
16.0
150
A211
A10B 19
083
19
1.370
34.80
65.5
77.2
84.1
4.4
13.7
16.0
150
A211
A10B 20
083
20
1.370
34.80
65.5
81.2
88.1
4.4
13.7
16.0
150
A211
A10B 21
083
21
1.370
34.80
65.5
85.2
92.2
4.4
13.7
16.0
150
A211
A10B 22
083
22
1.370
34.80
65.5
89.2
96.1
4.4
13.7
16.0
150
A211
A10B 23
083
23
1.370
34.80
65.5
93.3
100.1
4.4
13.7
16.0
150
A211
A10B 24
083
24
1.370
34.80
65.5
97.3
104.1
4.4
13.7
16.0
150
A211
A10B 25
083
25
1.370
34.80
65.5
101.3
108.2
4.4
13.7
16.0
150
A211
A10B 26
083
26
1.370
34.80
65.5
105.3
112.3
4.4
13.7
16.0
150
A211
H.D. 22
083
22
1.625
41.28
78.5
89.2
96.1
4.4
13.7
16.0
195
A212
H.D. 24
083
24
2.000
50.80
82.5
97.3
104.1
4.4
13.7
16.0
206
A213
A08B 19
08B-1
19
1.370
34.80
63.2
77.2
82.3
7.1
13.7
16.0
150
A211
A08B 20
08B-1
20
1.370
34.80
67.3
81.2
86.4
7.1
13.7
16.0
150
A211
A08B 25
08B-1
25
1.370
34.80
71.4
101.3
106.4
7.1
13.7
16.0
150
A211
I.R.F. Flange
CO
2
o 9
m
i
(1) All clutches except F10B are with 24 T.PI. C.E.I.R.H. Threaded Form. F10B Clutch has 20 T.PI. B.S.W R.H. Thread.
Steel Adaptors for Industrial Ratchet Freewheels
These adaptors enable easy assembly of standard IRF's to conventional keyed shafting.
Adaptor
Top Dia.
C.E.I. 24 T.PI. Thread
Flange
Width
Size
A
B Dia.
D
E
mm
ins
mm
mm
mm
F11
27.00
0.966 (1)
24.53
11.84
8.73
A211
41.28
1.370
34.80
12.70
14.29
A212
47.63
1.625
41.28
12.70
14.29
A213
57.15
2.000
50.80
12.70
14.29
(1) Adaptor F11 has 20 T.PI. B.S.W Thread.
Adaptors are solid bore, (except F11 which has 15mm plain bore) and can be finished bored and keyed to customers specifications. Max. bore = 0.6B.
A211/A212/A213
19
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