Main Products: One way bearing ,Backstop clutch ,One way clutch ,Overrunning clutch ,Cylindrical roller bearing
NFR Series Backstop One Way Clutch Indexing clutch
USD $20 - $800 /Piece
Min.Order:1 Piece
Quick Details View All >
Changzhou Suma Precision Machinery Co., Ltd.
Business Type: Manufacturer,Trading Company
Changzhou Jiangsu ChinaMain Products: One way bearing ,Backstop clutch ,One way clutch ,Overrunning clutch ,Cylindrical roller bearingProduct Details
NFR Series Backstop One Way Clutch Indexing clutch
NFR Series
Data sheet
| Item | NFR | |
| Brand | SUMA or OEM | |
| Type | Roller | |
| Weight | 0.1-68 kg | |
| Outside Diameter | 37-300 mm | |
| Inside Diameter | 8-130 mm | |
| Width | 20-180 mm | |
| Nominal Torque | 20-34750 Nm | |
| Material | GCr15 | |
| Precision | P6 | |
| Application | textile machines;printing machines;other machine | |
Feature
Type NFR is a bearing supported roller type freewheel without any sealing. Lubrication and sealing must be provided by the installation. Standard lubrication is oil.
Size 8 to 20 units use steel on steel bearing support from the inner race. Above size 25, two 160.. series ball bearings are used, giving a higher overrunning speed capacity. A typical arrangement is shown overleaf. The inner race is keyed to the shaft. The outer race has a positive n6 tolerance to give a press fit in a housing to H7.Additional side notches provide for positive torque transmission.The housing must be strong enough to not expand after assembly.
Parameter of the NFR series
Type | Size |
| Overrunning speeds | Bearing |
| Weight | |||||||||
NFR (ANR-ANG) | dH7 (mm) | TKN 1 (Nm ) | Nimax2) (min-1) | Namax3) (min-1) |
| Dn6 (mm) | D2 (mm) | D4 (mm) | L (mm) | I (mm) | t (mm) | bH11 (mm) | r (mm) | r1 (mm) |
(kg) |
| 8 | 20 | 1000 | 1000 | * | 37 | 20 | 30 | 20 |
| 3 | 6 | 1 | 1.5 | 0.1 |
| 12 | 20 | 1000 | 1000 | * | 37 | 20 | 30 | 20 |
| 3 | 6 | 1 | 1.5 | 0.1 |
| 15 | 78 | 850 | 850 | * | 47 | 26 | 37 | 30 |
| 3.5 | 7 | 1.5 | 1.5 | 0.3 |
| 20 | 188 | 650 | 650 | * | 62 | 37 | 52 | 36 |
| 3.5 | 8 | 2 | 2 | 0.6 |
| 25 | 250 | 2100 | 3600 | 16008** | 80 | 40 | 68 | 40 | 0.2 | 4 | 9 | 2.5 | 2 | 1.2 |
| 30 | 500 | 1700 | 3200 | 16009** | 90 | 45 | 75 | 48 | 0.2 | 5 | 12 | 2..5 | 2 | 1.8 |
| 35 | 663 | 1550 | 3000 | 16010** | 100 | 50 | 80 | 53 | 1.2 | 6 | 13 | 2.5 | 2.5 | 2.4 |
| 40 | 1100 | 1150 | 2600 | 16011** | 110 | 55 | 90 | 63 | 2.2 | 7 | 15 | 3 | 2.5 | 3.3 |
| 45 | 1500 | 1000 | 2400 | 16012** | 120 | 60 | 95 | 63 | 2.2 | 7 | 16 | 3 | 2.5 | 4.0 |
| 50 | 2375 | 800 | 2150 | 16014** | 130 | 70 | 110 | 80 | 2.7 | 8.5 | 17 | 3.5 | 3 | 5.7 |
| 55 | 2550 | 750 | 2000 | 16015** | 140 | 75 | 115 | 80 | 4.2 | 9 | 18 | 3.5 | 3 | 6.5 |
| 60 | 4250 | 650 | 1900 | 16016** | 150 | 80 | 125 | 95 | 3.2 | 9 | 18 | 3.5 | 3.5 | 8.9 |
| 70 | 5875 | 550 | 1750 | 16018** | 170 | 90 | 140 | 110 | 1.1 | 9 | 20 | 3.5 | 3.5 | 13.5 |
| 80 | 10000 | 500 | 1600 | 16021** | 190 | 105 | 160 | 125 | 0 | 9 | 20 | 4 | 3.5 | 19.0 |
| 90 | 17250 | 450 | 1450 | 16024** | 215 | 120 | 180 | 140 | 0.6 | 11.5 | 24 | 4 | 4 | 27.2 |
| 100 | 79625 | 350 | 1250 | 16028** | 260 | 140 | 210 | 150 | 2.6 | 14.5 | 28 | 4 | 4 | 44.5 |
| 130 | 34750 | 250 | 1000 | 16032** | 300 | 160 | 240 | 180 | 2 | 17.5 | 32 | 5 | 5 | 68.0 |
1) Tmax = 2 × TKN
2) Inner race overruns
3) Outer race overruns
Mounting
Changzhou Suma Precision Machinery Co., Ltd(Changzhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and other bearings with high technology.
We are following "Best Quality, Best Price, Fast Delivery, Best Serves" to make all of our old and new customers satisfied.
Our Advantages
1. Advanced producing equipment.
2. Strict requirement for the raw material
3. Complete&perfect process flow
4. Good quality of each batch of the product
5. Different grades of price for different quality
Pre-sale service:
We will delivery the goods in 10 days after your order is confirmed.
After sale service:
Our factory provide technical assistance to support every doubt during usage and maintenance.
Q: Why do we choose your company?
A: We always insist quality first. We have our bearing factory, therefore we have advantage in quality control and price of one way clutch bearing.
Q:What is the delivery time?
A: Most of the bearing we have stock. For small quantity, we will arrange delivery within 15 days.
Q: What is your payment term?
A: Our payment term include L/C, T/T, Western Union, Paypal etc.
Q: Can you send bearing samples first?
A: Yes, we can send bearing samples of one way clutch bearing to check quality first.
If you have any needs,pls contact me at any time!
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