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  Needle Roller Bearings  
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Needle Roller Bearings
 
         
             
Needle roller bearings are roller bearings with cylindrical rollers which are thin and long in relation to their diameter.  They are referred to as needle rollers.  These bearings have a high load carrying capacity and are thus suitable for bearing arrangements where radial space is limited.  There are various types of needle bearings as mentioned below:
    • Needle roller and cage assemblies prefixed by K,KT, KZK, KBK
    • Drawn cup needle roller bearings with open ends and closed ends prefixed by HK,TLA, BK, TLAM
    • Needle roller bearings with ribs at the outer ring are identified by prefix NK, NKS, RNA48, RNA49, RNA69(without inner race)  and NKI, NKIS, NA48, NA49, NA69 (with inner race)
    • Needle roller bearings without ribs are separable type known by prefix RNAO (without inner race), NAO (with inner)
    • Aligning needle roller bearings prefixed as RPNA(without inner race)   and PNA (with inner race)
    • Combined needle roller bearings are identified as NKXR, NKX, NX, NKIA, NKIB
    • Drawn cup roller clutches are prefixed as HF, HFL
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Yoke Type Track Rollers
 
 
   
Yoke type track rollers are bearings having a particularly thick-walled outer ring. They are available with crowned or flat runner surfaces. Yoke type track rollers are identified by prefix RSTO, NATR, NATV, NUTR, CF, CR, NAST, NART
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Cam Followers
 
 
       
Cam followers also know as stud type track rollers correspond in their design to yoke type track rollers with axial guidance but instead of an inner ring they have a solid stud (pin). The stud is threaded so that the cam follower can be quickly attached to appropriate machine components using a hexagonal nut. Cam followers are identified by prefix KR, KRV, NUKR
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Cylindrical Roller Thrust Bearings
       
       
Cylindrical Roller Thrust Bearings are simple in design and consist of a shaft washer, a housing washer and a cylindrical roller and cage thrust assembly. Cylindrical Roller Thrust Bearings are identified by prefix 811, 812, 893, 894 with its washer as GS and WS
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Rod Ends
       
 
       
Rod ends consist of a housing with an integral shank and a standard plain bearing which is firmly seated and located in the housing. Due to this design, they are ready to assemble bearing and connection elements which can be easily integrated into any required structure by means of their connecting threads or welding surfaces. Road ends are identified by prefix PHS, POS, GIR , GIL, GAR, GAL
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Spherical Plain Bearings
       
 
       
Spherical plain bearings are standardized, ready-to-mount mechanical components that are self-aligning and enable multi-directional alignment movements to be made. The inner ring has a sphered convex outside diameter and the outer ring a correspondingly sphered but concave inside surface.  Spherical plain bearings can  be identified by prefix GE..ES, GE..UK (maintenance-free), GE..FO, GE..LO, GE..HO, GE..ZO, SBB
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