please choose your language
Products list

Backstops are used extensively on pumps used in the primary and secondary cooling systems of power generating equipment.
contact us
Telephone:86-519-85858018
Linkman:Ellen Zhang
Mobile phone:86-18068536660
FAX:86-519 85858018
E-mail:ellen@chinasuma.com
address:DONGHUA INDUSTRY PARK, WUJIN DISTRICT, CHANGZHOU, JIANGSU PROVINCE, CHINA PR.
            
honors
Customized-made freewheel one way bearing for net reel

Customized-made freewheel one way bearing for net reel

Have Read 514405/14/2016

Customized-made freewheel one way bearing for net reel

backstop.png

 

Applications

APPLICATION.png

 

Related Products

NJ NYD ND-5(1).jpgNJ NYD ND.jpg

 

Features
Backstop NJ(NYD,ND) with torque arm are without ball bearings support. The Backstop are arranged on through shafts or shaft ends.
The backstop NJ are used as:
Backstops
for low-speed applications. They are designed for use in inclined conveyor-belt systems, elevators and pumps. Taconite seals protect the backstops when conditions are dirty and dusty.
Mounting
The back driving torque is restrained by the torque arm. The torque arm must not be clamped into position. It must have 0.5 inch play in the axial and in the radial direction.
NJ backstops are supplied for a clearance fit. Set screws on the inner ring are provided for axial retention, shaft collars are not required.

NJ(ND)-1.jpg


 

 

TypeLoad CapacityInner Race Max. SpeedDrag TorqueBoreSize (mm)Weight
N.mr/minN.mmmABDHh1ΦhLL1kg
ND16 (NJ65)1600150450-655061602261613.5308510613.5
ND25 (NJ75)2500560-75651702691916.53516.1
ND60 (NJ85)6000870-859592103292920.54511013529.2
ND80 (NJ95)80001080-95105230382325513837.2
ND110 (NJ110)110001590-1101101227042540266014146.2
ND160 (NJ130)1600010020100-130120320506366513016182.8
ND250 (NJ160)2500035120-160120203606123231140183125
ND380 (NJ200)3800045160-200130430623434170160207180
ND500 (NJ220)500008075160-22023825950082080-
230303351
ND650 (NJ230)650008085180-24026027954090090-
250323525
ND900 (NJ250)900005095180-2502883236001000100-
290367675
ND1250 (NJ270)125000100200-270298
6501100110-
737
ND1800 (NJ300)180000110230-3003563357801300135-
2903921123
ND2700 (NJ320)270000140250-3203863458501500135

3204121425
ND3200 (NJ350)320000160250-3504143609301600135

3604261955
ND5200 (NJ420)520000220320-42047448410301800165

4505502930
ND7000 (NJ450)700000250350-45052649410902000165

4805743380

 

 

 

 

Production and Test

_11.jpg

test_1.jpg 

Company Information

_08.jpg

Changzhou Suma Precision Machinery Co., Ltd is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and needle roller bearing with high technology

_10.jpg

workshop.jpg 

Cooperative Relation

_13.jpg

success.jpg 

FAQ

 Q: Why do we choose your company? 

A: We always insist quality firstly. We have our bearing factory, therefore we have advantage in quality control and price.

Q:What is the delivery time? 
A: Most of the bearings are in stock. For small quantity, we will arrange delivery within 3 days. Bulk quantity within 25-40 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 to check quality first.

Q: How do you pack the goods? 
A: 1. Industrial packaging: plastic bag + kraft paper + carton or wooden ; plastic tube + carton
2. Commercial packing: 1pc/plastic bag + color box + carton
3. As the clients' requirement

Q: how do you delivery the goods? 
A: For small orders,we send by express UPS,DHL,FEDEX, or EMS with Thracking number. For big quantity, we will ship by air or by sea.

 


View More(Total0)Comment Lists
No Comment
I want to comment
Content *
Verification Code*
Telephone: 86-519-85858018    Mobile phone: 86-18068536660    Fax: 86-519 85858018
E-mail: ellen@chinasuma.com
Copyright © 2014   Changzhou Suma Precision Machinery Co., Ltd   All Rights Reserved
Designed by  Zhonghuan Internet   Site Map