Deep groove ball bearing
Backstop freewheel clutch RIZ...G2G3 RIZ...G3G4
Product information
INTRODUCTION
Backstop freewheel clutch RIZ...G2G3 RIZ...G3G4
Feature
Types RIZ..G2G3/G3G4 are centrifugal lift off sprag type freewheels with the inner race rotating. Only the inner race is designed for freewheeling.
They are self-contained units designed for backstop applications. The overrunning speed must not be less than the minimum specified in the table. This must be considered if using a variable speed drive. The torque bolt must be fitted into a slot on a fixed part of the machine.The radial clearance should be 1–3 % of the bolt diameter.The torque arm and bearings must not be axially loaded.
They are a type RIZ, (» see page 84) equipped with G type covers featuring grease pockets and contact free seals. When ordered complete, the unit is delivered grease lubricated, ready for either horizontal or vertical installation.
They are self-contained units designed for backstop applications. The overrunning speed must not be less than the minimum specified in the table. This must be considered if using a variable speed drive. The torque bolt must be fitted into a slot on a fixed part of the machine.The radial clearance should be 1–3 % of the bolt diameter.The torque arm and bearings must not be axially loaded.
They are a type RIZ, (» see page 84) equipped with G type covers featuring grease pockets and contact free seals. When ordered complete, the unit is delivered grease lubricated, ready for either horizontal or vertical installation.
|
Type
|
Size
|
|
Speeds
|
|
Weight
|
|||||||
|
RIZ..G2G3
RIZ..G3G4 |
dH7
|
TKN1)
|
nmax2)
|
nimin3)
|
D
|
D2
|
C
|
L 1
|
L2
|
L3
|
f
|
|
|
[mm]
|
[Nm]
|
[min-1 ]
|
[min-1 ]
|
[mm]
|
[mm]
|
[mm]
|
[mm]
|
[mm]
|
[mm]
|
[mm]
|
[kg]
|
|
|
30
|
375
|
700
|
9000
|
100
|
45
|
16
|
68
|
88
|
14
|
1
|
4.5
|
|
|
35
|
550
|
670
|
8500
|
110
|
50
|
20
|
74
|
96
|
18
|
1
|
5.6
|
|
|
40
|
800
|
630
|
7500
|
125
|
55
|
20
|
86
|
109
|
18
|
1.5
|
8.5
|
|
|
45
|
912
|
610
|
6700
|
130
|
60
|
25
|
86
|
109
|
22
|
1.5
|
8.9
|
|
|
50
|
1400
|
560
|
6000
|
150
|
70
|
25
|
94
|
116
|
22
|
1.5
|
12.8
|
|
|
60
|
2350
|
510
|
5300
|
170
|
80
|
32
|
114
|
139
|
25
|
2
|
19.3
|
|
|
70
|
3050
|
470
|
4000
|
190
|
90
|
38
|
134
|
168
|
30
|
2.5
|
23.5
|
|
|
80
|
5800
|
375
|
4000
|
210
|
105
|
38
|
144
|
178
|
30
|
2.5
|
32
|
|
|
90
|
8700
|
350
|
3000
|
230
|
120
|
50
|
158
|
192
|
40
|
3
|
47.2
|
|
|
100
|
16000
|
340
|
2400
|
270
|
140
|
50
|
182
|
217
|
40
|
3
|
76
|
|
|
130
|
23000
|
320
|
2400
|
310
|
160
|
68
|
212
|
250
|
55
|
3
|
110
|
|
|
NOTES
1) T max = 2 × T KN » Refer to Selection page 10 to 13 2) This minimum allowable overrunning speed n imi should not be reduced under continuous operation. Possible reduction of this minimum speed on request. 3) Inner race overruns Keyway to DIN 6885.1 When ordering, please specify direction of rotation seen from arrow „A“: „R“ Inner race overruns in clockwise direction, „L“ Inner race overruns in counterclockwise directionr » Refer to mounting and maintenance instructions page 16 to 19 |
MOUNTING EXAMPLE
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Linqing zhuochi bearing factory
Contact person：Manager Cao
Cell phone：0832526895
Telephone：0832526895
