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Backstops are used extensively on pumps used in the primary and secondary cooling systems of power generating equipment.
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. 
Aligning needle roller bearing
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Aligning needle roller bearing PNA RPNA
Feature
Aligning needle roller bearing is punched by alloy plate. It has thin-walled outer ring and circle outer surface. This kind of bearing be used widely for its aligning function. mainly characteristic it can instead some aligning roller bearing small radial space low cost, easy to assemble Bear large load structure sheet Series Structure instruction PNA with inner ring RPNA without inner ring.
Part No | ID | OD | B |
PNA40/62 | 40 | 62 | 20 |
PNA15/32 | 15 | 32 | 16 |
RPNA18/32 | 18 | 32 | 16 |
PNA17/35 | 17 | 35 | 16 |
RPNA35/52 | 35 | 52 | 20 |
RPNA30/47 | 30 | 47 | 20 |
PNA20/42 | 20 | 42 | 20 |
RPNA20/35 | 20 | 35 | 16 |
PNA25/47 | 25 | 47 | 20 |
PNA30/52 | 30 | 52 | 20 |
RPNA15/28 | 15 | 28 | 12 |
RPNA25/42 | 25 | 42 | 20 |
RPNA28/44 | 28 | 44 | 20 |
PNA35/55 | 35 | 55 | 20 |
PNA22/44 | 22 | 44 | 20 |
RPNA45/62 | 45 | 62 | 20 |
PNA12/28 | 12 | 28 | 12 |
RPNA40/55 | 40 | 55 | 20 |
Outer ring 1 material: ST12 low chrome steel process: punching heat treatment: carburization, high frequency temper outer ring 2 Gcr15 material: GCr15 chrome steel process: lathing, grinding heat treatment: quenching cage material: ST12 low carbon steel process: punching heat treatment: carburization, black needle roller material: GCr15 chrome steel process: grinding heat treatment: quenching, HRC60-64.
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