the ends of neeedle rollers include NRA,NRB,CE,ZB,TR, and special ends ect
the ends of needle rollers are rounded, polished faces finish, rounded ends for needle roller bearing.Dw0.8mm - 6 mm
the ends finish standard with polished faces, Dw3mm - 50 mm.
needle rollers are cone shape ends, cuspidal shape ends.
the special shape needle rollers custom to clients.
we manufactured precision pins, shafts, dowels, dowel Pins,grooved pins to clients.
neeedle rollers are used in automotive transmissions, universal joints, front wheel drives, constant velocity joints water pump bearings, roller clutches, rollerized cam lifters, rocker arms, cam rollers, starter drives and as pins and dowels for various applications.
ends | Dmmw | Lmmw | maxr1mm min | maxr2mmmin | |||||
types | 0.5--50 | 1.5--50(DIN-5402) | 0.3-0.8(DIN-5402) | 0.3-1 | |||||
I-types | NRA | TB | rounded, polished faces, rounded ends | Dw1 mm - 6 mm | |||||
Ⅱ- types | NRB | TT | flat ends underground (available only from about 5 mm as standard, small diameters on request) | Dw1 mm - 6 mm | |||||
Ⅲ-types | TR | (RC,ZRO) | standard with polished faces | Dw3mm - 50 mm | |||||
Ⅳ-types | ZB | TP | no cut face | Dw3mm-50 mm | |||||
Ⅴ- types | CE | CE | cuspidal enden, cuspidal ends | Dw5mm,50mm | |||||
needle rollers pins, cylindrical rollers, crossed rollers loose , short rollers, bearing rollers |
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