Crowned Needle Roller Pin / Round End Shaft Pin NRB5X21.8 NRB5X29.8

Crowned Needle Roller Pin / Round End Shaft Pin NRB5X21.8 NRB5X29.8

Top characteristics of shaft pin

Crowned, rounded spherical, and chamfered ends needle shaft pin (including chamfer on both ends) are available. All precision shafts and pins materials are through-hardened, except carbon steel.

Size Ranges

• Diameter: .031″ to 1.000″ (.787mm to 25.4mm)
• Length: .125″ to 3.000″ (3.17mm to 76.2mm)

Standard Materials

• Chrome steel
• Carbon steel
• A variety of grades of stainless steel

Finish

• Up to 6 RMS

Parts Cleanliness

• Clean and ultra-clean parts (Learn more about the ultra-clean requirements.)

Applications for Precision Pins, Shafts and Dowel Pins include:

• Alignment pins
• U-Joints (needle rollers)
• Small motor shafts
• Mechanical timer pins
• CV Joints
• Clutches
• Starter Drives

1. 1. Rollers are free from corrosion
2. 2. Needle rollers are very strong and they can be used for long run
3. 3. They can easily endure tough conditions
4. 4. Needle rollers effectively lessen the clearance amid gearbox and bearing
5. 5. These rollers ensure that there is unvarying distribution of load
6. 

Changzhou Suma Precision Machinery Co., Ltd was established in 2012-07-11, 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 Clutch Bearing:  CSK, ASNU, AS , NF, FE, DC, FWD, BWC, AXK, AA, B200, BB, CKA, ... 

Backstop Clutch : BS, MZ, FSO, HPI,  PB, BS...R, NJ, NYD, NF, CKZ, RSBW, AV , ... 

Overrunning clutch:  FXM,  GFR, RSCI, RSXM, CKL-A, CKF-A, RSBI, GFK, GV, GVG, BSEU, ... 

Needle Roller Bearings: HF,HFL, RC, RCB, FC, FCB, OWC, EWC, 1WC, HK, SCE, BCE, IR, ...

Cam follower bearings : CF, KR, CFE, CFH, CYR, CYR...S, NATV, NATR, NUTR, KRV, RSTO, ...

Spherical Plain Bearings : GE, GE...ES-2RS, GE...DO-2RS, GEG...ES-2RS, GEEW...ES-2RS, GE...UK-2RS, GE...ET-2ES, ...

Advantage of Company 

• ​Germany Technology Introduction ensure goods reach an top-level quality . 
• Core Technical Team ensure ability to Find out - Work out problems more efficiently . 
• Over 15 Years Production Experience makes us easier to find out a solution from any industrial field . 
• Superior Equipment Production Line ensure goods produced under strictly quality control . 
• OEM / ODM available significantly save the customer's funds and enlarge the benefits. 

Advantage of Products 

• High Torque Transmission 
• High Load Capacity 
• Preferable Wear Resistance 
• Free Sample Quality Test Service （specially for small standard item）
• Pre-Lubricated ensure its Long Life Using Time 

Application Field 

  With a wide range of variety  ( Over 100 different patterns and more than thousands sizes available ), products are widely used in Printing Machine, Packaging Machine ,Conveyor System, Bucket Elevator, Gearbox , Reducer, Gearmotor, Electronics Toy, Hydraulic System and any power transmission industrial field. 

Market 

  With over 14 years experience, well equipped testing facilities and strict quality control, Changzhou Suma Precision Machinery Co., Ltd products sell well all over the world, the main markets are European, America, Canada, Brazil, India, Asia, etc . It was a certified enterprise with Quality Management System TUV, SGS , Safety Certificate of Approval for Mining Products . In the meantime, with accurate control of key process and technical support from engineer team, customized products are also available. Stable product performance and reliable after sales service always are our only way to win customer.