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Index >> Machined needle roller bearing >> Inner ring ,without ubrication hole
d 90-380mm
Product Parameter
Designation Mass m
≈kg 		Principal dimensions
mm 		Raceway F tolerance
μm
d F B r
min 		Upper limit Lower limit
IR90X100X26 294 90 100 26 1 -14 -27
IR90X100X30 340 90 100 30 1 -14 -27
IR90X100X36 406 90 100 36 1 -14 -27
IR90X105X35 610 90 105 35 1.1 -14 -27
IR90X105X63 1110 90 105 63 1.1 -14 -27
IR95X105X26 313 95 105 26 1 -14 -27
IR95X105X36 431 95 105 36 1 -14 -27
IR95X110X35 657 95 110 35 1.1 -14 -27
IR95X110X63 1170 95 110 63 1.1 -14 -27
IR100X110X30 350 100 110 30 1.1 -14 -27
IR100X110X40 505 100 110 40 1.1 -14 -27
IR100X115X40 797 100 115 40 1.1 -14 -27
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Introduction
features the inner ring is made of hardened bearing steel and has a finish machined or ground raceway. application occasions: The shaft cannot be used as bearing raceway. Bearing types include needle roller and cage assembly, open or closed stamped outer ring needle roller bearing and machined needle roller bearing in order to ensure that the shaft can have a large displacement relative to the bearing seat, the needle roller bearing must be paired with the wide inner ring for use lip sealing requires optimization of the running surface. inner ring IR has a finishing raceway. the chamfering of the end face makes the inner ring easy to install into the bearing and prevents damage to the sealing lip. there are two kinds of inner rings with and without lubrication holes. ferrule with lubrication hole, its suffix is is1 . inner race LR has grinding raceway. The end face has been turned and the sharp corners have been removed. the tolerance of this inner ring is larger than that of the type IR . Therefore, they are suitable for applications with large width tolerance and small axial runout requirements. the machining surplus of the special designed inner race (suffix is VGS ) is Z . Its value is related to the raceway diameter, as shown in the table below.
raceway diameter machining allowance diameter of pre grinding raceway
F Z F VGS
mm mm & nbsp;
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