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Bearing Units Introduction:

Views:18     Author:Site Editor     Publish Time: 2017-03-30      Origin:Site

1.Mounting of set screw unit:

a. Check accuracy of shaft

Before mounting the bearing unit, check the shaft accuracy for no bends, burrs, and other flaw


2.Mounting of adapter sleeve unit:

NOTE:The adapter sleeve unit can be reliably secured to the shaft even when it is subjected to the impact loads and vibrations. But, this unit can not be used on a shaft that is subjected to grease axial load.


 Fit the sleeve onto the shaft

1.Fit the sleeve onto the shaft and position it so that its tapered section is centered to the bearing. For easy fitting, expand its slow with screwdriver or similar tools.

2.Excessive tightening of the mounting bolts  may cause the housing to deform. Tighten the bolts to the proper torque, FK recommends using a washer with the bolt when mounting the housing as the bolt alone may cause damage to the housing.

3.Place the lockwasher, and fully handtighten the nut.

4.Fit a jig or a screwdriver in one of slots on the nut, and tap it with a hammer until the nut turns 60  to 90 degree. NEVER tap the slinger  and NEVER overtighten the nut.

5.Bend tabs of lockwasher so that it fits into slots on the nut.

Never back rotate nut to fit washer tabs, forward rotate nut to fit the washer tabs.

6.Excessive tightening of the mounting bolts  may cause the housing to deform. Tighten the bolts to the proper torque.

Mounting of  unit with covers:

a. Fill grease

In order to enhance dust and waterproofing effects, apply grease all around the seal lip of the cover, and fill the 2/3 internal space of the cover with grease.

b. Install bearing unit

Pass one cover along the shaft, then slide the bearing unit onto the shaft.  The steps to install bearing unit onto the shaft is same as the mounting steps setscrew unit. It is recommended that the end of the shaft be chamfered beforehand to avoid damaging the lips of the rubber seal.

c. Fit cover 1

Take the cover which has been passed along the shaft and press it into the housing. Be careful not to strike surface of the cover directly with a steel hammer but use a synthetic resin or wood block. From 45 degree direction, tap it around the circumference of the cover to exert a uniform impact on the cover to fit it into the groove on the housing.

4.Be careful not to strike surface of the cover directly with a steel hammer but use a synthetic resin or wood block. From 45 degree direction, tap it around the circumference of the cover to exert a uniform impact on the cover to fit it into the groove on the housing.



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