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| Model Number : | ratchet |
| Brand Name : | Suma one way ratchet |
Sprag One Way Ratchet Bearing for Reducer


Description of custom-made one way ratchet bearing for resucer
This type star wheel one way ratchet wheel is a roller type
freewheel non-bearing supported. Bearings are required to support
axial and radial loads. Lubrication and sealing must also be
provided by the installation. Nominal outside dimensions are the
same as series 62...Ball bearings.
A typical arrangement is to install this type alongside a series 62
bearing within the same location tolerances. The inner race is
keyed to the shaft (except 6 mm bore).
The outer race of the one way ratchet has a positive r6 tolerance
to give a press fit in a H7 housing. The outer housing must be
strong enough
To not expand after assembly. This design can accept an axial
misalignment of inner and outer race of ± S/2.
Data sheet of custom-made one way ratchet bearing for resucer
| Model | this model based on customers' specifications | |
| Material | GCr15 | |
| Type | round | |
| Inner Diameter | 6-80mm | |
| Outer Diameter | 19-140mm | |
| Weight | 0.01-1.41kg | |
| Torque | 2.1-1063Nm | |
| Overrunning Speed | Inner Race | 600-5000r/min |
| Outer Race | 900-7500KN | |
| Application | Industiral machines,reducer,variator,transmission,etc | |
Parameter of custom-made one way ratchet bearing for resucer
Type | Size | Overrunning speeds | Weight | Drag torque | ||||||||
Star wheel | dH7 | TKN1) | nimax2) | namax3) | Dr6 | D5 | L | s | e | f | TR | |
[mm] | [Nm] | [min-1] | [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | [Ncm] | |
6 | 2.1 | 5000 | 7500 | 19 | 15.8 | 6 | 0.3 | 0.6 | 0.3 | 0.01 | 0.18 | |
8 | 3.8 | 4300 | 6500 | 24 | 20 | 8 | 1.3 | 0.6 | 0.6 | 0.02 | 0.24 | |
10 | 6.8 | 3500 | 5200 | 30 | 25.9 | 9 | 1.3 | 0.6 | 0.6 | 0.03 | 0.36 | |
12 | 13 | 3200 | 4800 | 32 | 28 | 10 | 1.3 | 0.6 | 0.6 | 0.04 | 0.48 | |
15 | 14 | 2800 | 4300 | 35 | 31 | 11 | 1.4 | 0.6 | 0.6 | 0.05 | 0.7 | |
20 | 40 | 2200 | 3300 | 487 | 40 | 14 | 2.4 | 0.8 | 0.8 | 0.12 | 1.4 | |
25 | 56 | 1900 | 2900 | 52 | 45.9 | 15 | 2.4 | 0.8 | 0.8 | 0.14 | 2.4 | |
30 | 90 | 1600 | 2400 | 62 | 55 | 16 | 2.4 | 0.8 | 1 | 0.22 | 7.8 | |
35 | 143 | 1300 | 2000 | 72 | 64 | 17 | 2.5 | 0.8 | 1 | 0.31 | 9 | |
40 | 185 | 1200 | 1800 | 80 | 72 | 18 | 2.5 | 0.8 | 1 | 0.39 | 10 | |
45 | 218 | 1000 | 1600 | 85 | 77 | 19 | 2.5 | 1.2 | 1 | 0.44 | 11 | |
50 | 230 | 950 | 1500 | 90 | 82 | 20 | 2.5 | 1.2 | 1 | 0.49 | 13 | |
55 | 308 | 800 | 1300 | 100 | 90 | 21 | 2.5 | 1.2 | 1 | 0.66 | 14 | |
60 | 508 | 700 | 1100 | 110 | 100 | 22 | 2.5 | 1.2 | 1.5 | 0.81 | 26 | |
80 | 1063 | 600 | 900 | 140 | 128 | 26 | 2.5 | 1.2 | 1.5 | 1.41 | 58 | |



Q: How do you pack the goods?
Q: Can i get the samples from you?
A: It is highly encouraged to ask for the samples for quality check.
Q: Can you promise to deliver the goods in time?
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| Company Info. |
| Changzhou Tianniu Transmission Equipment Co., Ltd |
| Verified Supplier |
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