Product Details
Place of Origin: China
Brand Name: SFT
Model Number: SF 57-18.5, SF 57-18.5
Payment & Shipping Terms
Minimum Order Quantity: negotiable
Price: negotiable
Packaging Details: carton,pallet
Delivery Time: 20-45DAYS
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 50000PCS/MONTH
Thickness: |
18.5mm |
Material: |
Chrome Steel |
Vibration: |
ZV1, ZV2, ZV3, Or As Requested |
Weight(kg): |
0.13 |
Seals Type: |
Non-sealed |
Surface Hardness: |
HRC60-62 |
Thickness: |
18.5mm |
Material: |
Chrome Steel |
Vibration: |
ZV1, ZV2, ZV3, Or As Requested |
Weight(kg): |
0.13 |
Seals Type: |
Non-sealed |
Surface Hardness: |
HRC60-62 |
SF 57-18.5 Overrunning Clutch Bearings One-Way Sprag Freewheel Cage Assembly
Feature
Type SF is a sprag type freewheel cage without inner or outer races. It must be installed in a design providing races, bearing
support for axial and radial loads, lubrication and sealing. The BWC type version-N accepts all types of lubricants currently
used in the power transmis-sion equipement. The sprag space tolerance must not be exceeded. Inner and outer races must
both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly. Alternatively, races can be
made in case hardened steel shafts, or housings, to the specification below. Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0, 6 mm minimum. Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races: 0, 007 mm for 25 mm width.
Cage Freewheels SF , for assembly with Inner and Outer Ring.
| Product name | SF one way bearings |
| Model | SF 57-18.5 |
| Torque capacity | 950Nm |
| Inner diameter | 57mm |
| Outer diameter | 75mm |
| Sprag Lift-off at Outer Race | 2000r/min |
| Material | GCr15 |
| Width | 18.5mm |
| Weight | 0.13kg |
| Package | Carton Box / Wooden Box |
| Payment terms | TT, L/C, D/A, D/P, Western Union |
| Delivery time | IN STOCK |
Catalogue of dc one way bearings for your choice
| Freewheel Size | Type | Nominal t orque | Type | Nominal t orque | Type | Nominal t orque |
Sprag lift-off at outer ring speed min-1 |
J | D | B | K | Sprags Quantity | Weight |
| MN | MN | MN | mm | mm | mm | mm | kg | ||||||
| SF18-13,5 | J | 66 | 18,80 | 35,47 | 13,5 | 50 | 10 | 0,04 | |||||
| SF23-13,5 | J | 120 | 23,63 | 40,29 | 13,5 | 55 | 12 | 0,04 | |||||
| SF27-13,5 | J | 160 | JT | 160 | JZ | 100 | 3 600 | 27,78 | 44,42 | 13,5 | 65 | 14 | 0,05 |
| SF31-13,5 | J | 170 | JT | 170 | JZ | 110 | 3 400 | 31,75 | 48,41 | 13,5 | 70 | 12 | 0,04 |
| SF32-21,5 | J | 400 | 32,77 | 49,44 | 21,5 | 65 | 14 | 0,07 | |||||
| SF37-14,5 | K | 270 | KT | 270 | KZ | 210 | 2 900 | 37 | 55 | 14,5 | 75 | 14 | 0,06 |
| SF42-21 | J | 720 | 42,10 | 58,76 | 21 | 85 | 18 | 0,09 | |||||
| SF44-14,5 | K | 500 | KT | 500 | KZ | 400 | 2 250 | 44 | 62 | 14,5 | 90 | 20 | 0,08 |
| SF46-21 | J | 840 | 46,77 | 63,43 | 21 | 90 | 20 | 0,10 | |||||
| SF50-18,5 | K | 680 | KT | 680 | KZ | 580 | 2 250 | 50 | 68 | 18,5 | 90 | 20 | 0,10 |
| SF56-21 | J | 1 050 | 56,12 | 72,78 | 21 | 100 | 22 | 0,11 | |||||
| SF57-18,5 | K | 950 | KT | 950 | KZ | 800 | 2 000 | 57 | 75 | 18,5 | 105 | 24 | 0,13 |
| SF61-21 | J | 1 300 | JT | 1 300 | JZ | 1 150 | 1 550 | 61,91 | 78,57 | 21 | 110 | 26 | 0,14 |
| SF72-23,5 | K | 2 100 | KT | 2 100 | KZ | 1 850 | 1 550 | 72 | 90 | 23,5 | 135 | 32 | 0,23 |
| SF82-25 | K | 2 300 | KT | 2 300 | KZ | 2 100 | 1 450 | 82 | 100 | 25 | 140 | 36 | 0,26 |
| SF107-25 | K | 3 300 | KT | 3 300 | KZ | 3 100 | 1 300 | 107 | 125 | 25 | 170 | 48 | 0,35 |
| SF127-25 | K | 4 900 | KT | 4 900 | KZ | 4 600 | 1 200 | 127 | 145 | 25 | 210 | 56 | 0,40 |
| SF140-50 | S | 13 600 | ST | 13 600 | SZ | 10 500 | 950 | 140 | 180 | 50 | 260 | 24 | 1,70 |
| SF140-63 | S | 18 000 | ST | 18 000 | SZ | 14 000 | 800 | 140 | 180 | 63 | 260 | 24 | 2,00 |
| SF170-50 | S | 17 000 | ST | 17 000 | SZ | 13 500 | 880 | 170 | 210 | 50 | 290 | 28 | 1,95 |
| SF170-63 | S | 23 000 | ST | 23 000 | SZ | 18 500 | 720 | 170 | 210 | 63 | 290 | 28 | 2,40 |
| SF200-50 | S | 23 000 | ST | 23 000 | SZ | 18 500 | 820 | 200 | 240 | 50 | 325 | 36 | 2,50 |
| SF200-63 | S | 29 000 | ST | 29 000 | SZ | 23 500 | 680 | 200 | 240 | 63 | 325 | 36 | 3,10 |
| SF230-63 | S | 37 000 | ST | 37 000 | SZ | 29 500 | 650 | 230 | 270 | 63 | 360 | 45 | 3,90 |
| SF270-50 | S | 35 000 | ST | 35 000 | SZ | 29 500 | 720 | 270 | 310 | 50 | 410 | 48 | 3,40 |
| SF270-63 | S | 44 000 | ST | 44 000 | SZ | 37 000 | 600 | 270 | 310 | 63 | 410 | 48 | 4,20 |
| SF340-50 | S | 45 000 | ST | 45 000 | SZ | 43 000 | 640 | 340 | 380 | 50 | 510 | 60 | 4,20 |
| SF340-63 | S | 67 500 | ST | 67 500 | SZ | 57 500 | 540 | 340 | 380 | 63 | 510 | 60 | 5,20 |
| SF380-50 | S | 57 000 | ST | 57 000 | SZ | 48 500 | 610 | 380 | 420 | 50 | 550 | 63 | 4,40 |
| SF440-63 | S | 93 000 | ST | 93 000 | SZ | 80 000 | 470 | 440 | 480 | 63 | 640 | 72 | 6,20 |
