Changzhou Suma Precision Machinery Co., Ltd
| Precision Rating | P0 |
| Seals Type | sealed |
| Torque Capacity | 55-70000 Nm |
| Overrunning Speed | 200-3100 min-1 |
| Weight Range | 1.4-214 kg |
| Material | GCr15 |
| Inner Diameter | 12-150 mm |
| Outer Diameter | 62-400 mm |
| Bearing Support | 160 series |
| Lubrication Requirement | oil lubricated |
| Keyway Standard | DIN 6885.1 |
| Cover Types | F2F3/F3F4 |
| Max Torque | 70000 Nm |
| Max Speed | 3100 min-1 |
| Dimensions Range | D: 62-400mm, D2: 20-200mm, C: 10-68mm |
| Model Number | GFR80F3F4 GFR80F2F3 GL80F5D2 |
| Brand Name | SUMA |
| Place of Origin | Jiangsu, China |
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Product Specification
| Precision Rating | P0 | Seals Type | sealed |
| Torque Capacity | 55-70000 Nm | Overrunning Speed | 200-3100 min-1 |
| Weight Range | 1.4-214 kg | Material | GCr15 |
| Inner Diameter | 12-150 mm | Outer Diameter | 62-400 mm |
| Bearing Support | 160 series | Lubrication Requirement | oil lubricated |
| Keyway Standard | DIN 6885.1 | Cover Types | F2F3/F3F4 |
| Max Torque | 70000 Nm | Max Speed | 3100 min-1 |
| Dimensions Range | D: 62-400mm, D2: 20-200mm, C: 10-68mm | Model Number | GFR80F3F4 GFR80F2F3 GL80F5D2 |
| Brand Name | SUMA | Place of Origin | Jiangsu, China |
| High Light | Torque Capacity 1025Nm Backstop Clutch ，Overrunning Speed 3100min-1 One Way Clutch Bearing ，Precision Rating P0 Freewheel Bearing | ||
GFR80F3F4 GFR80F2F3 GFR 80 F3F4 Overrunning Backstop Clutch One Way Freewheel Bearings
Features of bearing for backstop clutch
| Product name | GFR Backstop clutch |
| Model | GFR...F2F3/GFRN...F3F4 |
| Material | GCr15 |
| Inner diameter | 12-150mm |
| Outer diameter | 62-400mm |
| Torque capacity | 1025Nm |
| Weight | 1.4-214kg |
| Package | Carton Box / Wooden box |
| Payment terms | TT. L/C, D/A,D/P,Western Union |
| Delivery time | 10-15DAYS |
Types GFR..F2F3/F3F4 are roller type freewheels, self-contained, sealed and bearing supported, using two160.. series bearings.
They use the GFR base module. Units must be oil lubricated before use if they are delivered disassembled and in any case for the F3F4 combination.
These cover combinations are primarily used as backstops, as shown overleaf. The F3 cover acts as a torque arm and has an integrated stop bolt. The stop bolt should go into a slot in a fixed part of the machine. F2 and F4 covers are used to close the unit. They are equipped with 3 screws for oil filling, drain and level.
If using cover type F4, shaft end plate and its screw must be sealed to avoid oil leakage through the keyway.
Covers are easily fitted, allowing on site selection of rotation direction. If requested units can be delivered assembled and lubricated for the F2F3 combination.
PARAMETER LIST of bearing for backstop clutch
| TYPE | Size | Torque | Overrunning speed | DIMENSIONS | Weight | ||||||||||
| GFR...F2F3 GFR...F3F4 | dH7 | TKN1) | nimax2) | D | D2 | C | L 1 | L2 | L3 | L4 | F | E | L5 | f | |
| [mm] | [Nm] | [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | |
| 12 | 55 | 3100 | 62 | 20 | 10 | 42 | 64 | 10 | 13 | 59 | 44 | 6 | 0.5 | 1.4 | |
| 15 | 125 | 2800 | 68 | 25 | 10 | 52 | 78 | 10 | 13 | 62 | 47 | 10 | 0.8 | 1.8 | |
| 20 | 181 | 2400 | 75 | 30 | 12 | 57 | 82 | 11 | 15 | 72 | 54 | 10 | 0.8 | 2.3 | |
| 25 | 288 | 1600 | 90 | 40 | 16 | 60 | 85 | 14 | 18 | 84 | 62 | 10 | 1 | 3.4 | |
| 30 | 500 | 1300 | 100 | 45 | 16 | 68 | 95 | 14 | 18 | 92 | 68 | 10 | 1 | 4.5 | |
| 35 | 725 | 1200 | 110 | 50 | 20 | 74 | 102 | 18 | 25 | 102 | 76 | 12 | 1 | 5.6 | |
| 40 | 1025 | 850 | 125 | 55 | 20 | 86 | 115 | 18 | 25 | 112 | 85 | 12 | 1.5 | 8.5 | |
| 45 | 1125 | 740 | 130 | 60 | 25 | 86 | 115 | 22 | 25 | 120 | 90 | 12 | 1.5 | 8.9 | |
| 50 | 2125 | 580 | 150 | 70 | 25 | 94 | 123 | 22 | 25 | 135 | 102 | 12 | 1.5 | 12.8 | |
| 55 | 2625 | 550 | 160 | 75 | 32 | 104 | 138 | 25 | 30 | 142 | 108 | 15 | 2 | 16.2 | |
| 60 | 3500 | 530 | 170 | 80 | 32 | 114 | 147 | 25 | 30 | 145 | 112 | 15 | 2 | 19.3 | |
| 70 | 5750 | 500 | 190 | 90 | 38 | 134 | 168 | 30 | 35 | 175 | 135 | 16 | 2.5 | 23.5 | |
| 80 | 8500 | 480 | 210 | 105 | 38 | 144 | 178 | 30 | 35 | 185 | 145 | 16 | 2.5 | 32 | |
| 90 | 14500 | 450 | 230 | 120 | 50 | 158 | 192 | 40 | 45 | 205 | 155 | 16 | 3 | 47.2 | |
| 100 | 20000 | 350 | 270 | 140 | 50 | 182 | 217 | 40 | 45 | 230 | 180 | 16 | 3 | 76 | |
| 130 | 31250 | 250 | 310 | 160 | 68 | 212 | 250 | 55 | 60 | 268 | 205 | 18 | 3 | 110 | |
| 150 | 70000 | 200 | 400 | 200 | 68 | 246 | 286 | 55 | 60 | 325 | 255 | 20 | 4 | 214 | |
NOTES
1) T max = 2 × T KN
2) Inner race overruns.
3) Outer race overruns.
Keyway to DIN 6885.1
PICTURES
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?
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2005
Total Annual:
1000000-2000000
Employee Number:
50~51
Ecer Certification：
Verified Supplier
Changzhou Suma Precision Machinery Co., Ltd was established in 2005, which was a professional and non-stop manufacturer for mechanical parts, integrates into R&D, Design, Manufacturing and Sales . The main Catagories are : One Way Cl... Changzhou Suma Precision Machinery Co., Ltd was established in 2005, which was a professional and non-stop manufacturer for mechanical parts, integrates into R&D, Design, Manufacturing and Sales . The main Catagories are : One Way Cl...
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