AA20 AA30 AA40 Freewheel Overrunning Clutch One Way Clutch Bearing
Dual Keyway Groove One Way Clutch Bearing
One-way bearing is free to rotate in one direction, while in the other direction on a bearing locked. One-way bearings inside the metal shell that contains lots of roller, needle or ball, and the rolling seat (hole) shape so that it can only scroll in one direction, while in the other direction will have great resistance.
One-way bearings are widely used in printing machinery, packing machinery, food machinery, two-speed gearboxes, electric roller, exercise equipment, automobile industry, fishing reel, Household appliances; Currency detector, etc.
Features of one way clutch ball bearing:
1. High carrying capacity
2. Enough storage grease space
3. High limited speed
4. Long life
Technical Datas
| SPECIFICATION | |
| Product name | AA engine bearing |
| Model | AA20 |
| Material | GCr15 |
| Inner diameter | 20mm |
| Outer diameter | 68mm |
| Thickness | 34mm |
| Torque capacity | 146Nm |
| Drag Torque | 8.4Ncm |
| Inner race overrunning speed | 2000r/min |
| Outer race overrunning speed | 3600r/min |
| Weight | 0.7kg |
| Structure | Roller type |
| Application | Textile machine, fans, ventilators, printing machine |
| Package | Carton Box, Wooden Box or Customized |
| Payment terms | TT. L/C, D/A,D/P,Western Union, Paypal |
| Delivery time | 2-4 days for the sample, 7 days for big order |
Dimensions and Capacities
| Size | TK1 | Overrunning speeds | Weight |
Drag torque |
||||||||||
| dH7 | Nimax2) | Namax3) | Dh7 | D5 | D6 | D3 | Z | O | L | f | s | (kg) | TR | |
| (mm) | (Nm ) | (min-1) | (min-1) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (Ncm) | |
| 12 | 17 | 3100 | 6000 | 47 | 28 | 20 | 38 | 3 | 5.5 | 20 | 0.5 | 4.5 | 0.21 | 0.7 |
| 15 | 55 | 2300 | 5400 | 55 | 37 | 26 | 45 | 3 | 5.5 | 30 | 0.8 | 4.5 | 0.44 | 3.5 |
| 20 | 146 | 2000 | 3600 | 68 | 50 | 35 | 58 | 4 | 5.5 | 34 | 0.8 | 5.5 | 0.7 | 8.4 |
| 25 | 285 | 1700 | 2600 | 90 | 68 | 45 | 7 | 6 | 5.5 | 37 | 1 | 6.5 | 1.3 | 14 |
| 30 | 500 | 1500 | 2100 | 100 | 75 | 50 | 87 | 6 | 6.6 | 44 | 1 | 6.5 | 2 | 23 |
| 35 | 720 | 1300 | 1950 | 110 | 80 | 55 | 96 | 6 | 6.6 | 48 | 1 | 6.5 | 2.6 | 60 |
| 40 | 1030 | 1200 | 1700 | 125 | 90 | 60 | 108 | 6 | 9 | 56 | 1.5 | 7.6 | 3.9 | 72 |
| 45 | 1125 | 1050 | 1500 | 130 | 95 | 65 | 112 | 8 | 9 | 56 | 1.5 | 7.6 | 4 | 140 |
| 50 | 2150 | 950 | 1300 | 150 | 110 | 75 | 132 | 8 | 9 | 63 | 1.5 | 7.6 | 6 | 180 |
| 55 | 2675 | 850 | 1200 | 160 | 115 | 82 | 138 | 8 | 11 | 67 | 2 | 7.6 | 7.2 | 190 |
| 60 | 3500 | 800 | 1100 | 170 | 125 | 90 | 150 | 10 | 11 | 78 | 2 | 7.6 | 9.2 | 240 |
| 70 | 5813 | 650 | 900 | 190 | 140 | 100 | 165 | 10 | 11 | 95 | 2.5 | 7.6 | 11.8 | 320 |
NOTES
1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns
Keyway to DIN 6885.1
Mounting and Coupling
Pictures
Q: How do you pack the goods?
- Total less than 25 KG : Each in white box + 19*18*9cm box + 29*28*19CM carton box
- Total Weight over 100KG : Carton box + Wooden Box / Wooden Pallet
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?
- Small items: In stock.
- Medium Items: 10-15 Days
- Big items: 20-25 Days
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.





