NF25 Freewheel Bearing NF Series Gcr15 One Way Sprag Clutch
Brand Name:BLUEN
Certification:ISO
Model Number:NF25
Minimum Order Quantity:1 PIECE
Delivery Time:2 Days
Payment Terms:T/T, Western Union,Paypal
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Changzhou Jiangsu China
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Wujin Changzhou Jiangsu China
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NF Series NF25 One Way Sprag Freewheel Clutch Bearings
Description of NF Freewheel Clutch Bearings
1. Type NF 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.
2. Standard lubrication is oil. Nominal outside diameter is a standard ball bearing dimension. A typical arrangement is to install this type alongside a bearing with the same housing tolerances.
3.The inner race is keyed to the shaft. The outer race has a positive n6 tolerance to give a press fit in a H7 housing. Additional side notches provide for positive torque transmission.
4. If the housing tolerance is to K6, use of the notches is not necessary, but the housing must be strong enough to not expand after assembly.
| Type | Size | Overrunning Speeds | DIMENSIONS | Weight | |||||||||
NF | dH7 (mm) | TKN1 (Nm ) | Nimax2) (min-1) | Namax3) (min-1) | Dn6 (mm) | D5 (mm) | D6 (mm) | L (mm) | t (mm) | bH11 (mm) | r (mm) | r1 (mm) | (kg) |
| 8 | 20 | 5000 | 6000 | 37 | 30 | 20 | 20 | 3 | 6 | 1.0 | 1.5 | 0.1 | |
| 12 | 20 | 5000 | 6000 | 37 | 30 | 20 | 20 | 3 | 6 | 1.0 | 1.5 | 0.1 | |
| 15 | 78 | 4500 | 5400 | 47 | 37 | 26 | 30 | 3.5 | 7 | 1.5 | 1.5 | 0.3 | |
| 20 | 188 | 3000 | 3600 | 62 | 52 | 37 | 36 | 3.5 | 8 | 2.0 | 2.0 | 0.6 | |
| 25 | 250 | 2200 | 2600 | 80 | 68 | 49 | 40 | 4 | 9 | 2.5 | 2.0 | 1.1 | |
| 30 | 500 | 1800 | 2100 | 90 | 75 | 52.5 | 48 | 5 | 12 | 2.5 | 2.0 | 1.6 | |
| 35 | 663 | 1600 | 1950 | 100 | 80 | 58 | 53 | 6 | 13 | 2.5 | 2.5 | 2.3 | |
| 40 | 100 | 1250 | 1700 | 110 | 90 | 62 | 63 | 7 | 15 | 3.0 | 2.5 | 3.1 | |
| 45 | 100 | 1100 | 1500 | 120 | 95 | 69 | 63 | 7 | 16 | 3.0 | 2.5 | 3.7 | |
| 50 | 2375 | 850 | 1300 | 130 | 110 | 82 | 80 | 8.5 | 17 | 3.5 | 3.0 | 5.4 | |
| 55 | 2500 | 800 | 1200 | 140 | 115 | 83 | 80 | 9 | 18 | 3.5 | 3.0 | 6.1 | |
| 60 | 4250 | 700 | 1100 | 150 | 125 | 93.5 | 95 | 9 | 18 | 3.5 | 3.5 | 8.5 | |
| 70 | 5875 | 620 | 900 | 170 | 140 | 106 | 110 | 9 | 20 | 3.5 | 3.5 | 13.0 | |
| 80 | 10000 | 550 | 800 | 190 | 160 | 122 | 125 | 9 | 20 | 4.0 | 3.5 | 18.0 | |
| 90 | 17250 | 480 | 700 | 215 | 180 | 133 | 140 | 11.5 | 24 | 4.0 | 4.0 | 25.3 | |
| 100 | 19625 | 400 | 600 | 260 | 210 | 157 | 150 | 14.5 | 28 | 4.0 | 4.0 | 42.1 | |
| 130 | 34750 | 300 | 480 | 300 | 240 | 188 | 180 | 17 | 32 | 5.0 | 5.0 | 65.0 | |
| 150 | 44375 | 250 | 400 | 320 | 260 | 205 | 180 | 17 | 32 | 5.0 | 5.0 | 95.0 | |
NF25 Freewheel Bearing NF Series Gcr15 One Way Sprag Clutch
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