Summary of Contents for Asahi Seiko Silver Series
- Page 1 HE20E-001A Instruction Manual Insert Bearing Units Silver Series Stainless-Steel Silver Series (Eccentric locking collar type)
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Page 2: Table Of Contents
Table of Contents Page Scope of application ..................................1 Name of parts and functions ................................2 Selection of shafts .................................... 3 Mounting method ....................................4 Stainless-steel cover attachment/removal method ......................... 6 Attaching the cover ..................................6 Removing the press-fit locking cover ............................7 Inspection ...................................... -
Page 3: Scope Of Application
Insert Bearing Units (Eccentric locking collar type) 1. Scope of application This instruction manual applies to the insert bearing units shown in Tables 1.1 and 1.2. Table 1.1: Standard product units Silver Series Stainless-Steel Silver Series Rhombic flange Rhombic flange Pillow block unit Pillow block unit... -
Page 4: Name Of Parts And Functions
Insert Bearing Units (Eccentric locking collar type) 2. Name of parts and functions Rubber seal Housing Outer ring Set screw Inner ring Eccentric locking collar Steel ball Retainer Rubber seal: Prevents grease leakage and dust and moisture intrusion because it is secured to the outer ring and the lip part comes in contact with the inner ring. -
Page 5: Selection Of Shafts
Insert Bearing Units (Eccentric locking collar type) 3. Selection of shafts For the shaft on which the insert bearing unit will be mounted, use one that is not bent and does not have burrs, and perform chamfering of the shaft ends. The press-fitting of the inner ring and shaft is mostly performed by a running fit in general for convenience in handling. -
Page 6: Mounting Method
Insert Bearing Units (Eccentric locking collar type) 4. Mounting method 1) Slide the insert bearing unit onto the shaft slowly and bring it to the predetermined position. (Photo 4.1) 2) Mount the insert bearing unit on the machine base and secure it firmly with bolts. (Photo 4.2) (Refer to Table 4.1.) 3) Press-fit the eccentric part of the eccentric locking collar into the eccentric part provided on the bearing inner ring. - Page 7 Insert Bearing Units (Eccentric locking collar type) Photo 4.1 Photo 4.2 Photo 4.3 Photo 4.4 Table 4.1: Tightening torque of housing mounting bolts (Reference value) Torque Nominal size of screw (N•m) 0.9 to 1.4 2.8 to 4.5 6.9 to 11 14 to 22 Table 4.2: Tightening torque of set screws for eccentric locking collars and axial load-bearing capacity of unit Nominal number...
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Page 8: Stainless-Steel Cover Attachment/Removal Method
Insert Bearing Units (Eccentric locking collar type) 5. Stainless-steel cover attachment/removal method 1) Attaching the cover Attach the cover after completion of attachment of the unit main body. Apply an amount of grease corresponding to 1/3 to 1/2 of the volume of the space inside the cover to that space. (Fig. -
Page 9: Removing The Press-Fit Locking Cover
Insert Bearing Units (Eccentric locking collar type) 2) Removing the press-fit locking cover Apply the screwdriver to the boundary between the outer cylinder and the cone of the cover, and tilt it in the axial direction. Tap with a plastic hammer to remove the cover. (Photo 5.6) Photo 5.6 Note 1. -
Page 10: Inspection
Insert Bearing Units (Eccentric locking collar type) 6. Inspection After finishing mounting the insert bearing unit, inspect whether the mounting conditions are appropriate or not. First, turn the shaft by hand to check that the insert bearing unit rotates smoothly. If no problem is observed, rotate it by electric power to inspect for noise or temperature increases. -
Page 11: Lubrication
Insert Bearing Units (Eccentric locking collar type) 7. Lubrication This unit insert bearing has been factory-lubricated with the grease shown in Table 7. This unit uses the lubrication-free type. Table 7: Properties of standard factory-lubricated grease Usable Soap- Drop NLGI temperature Type Model... -
Page 12: Replacement Of Bearing
Insert Bearing Units (Eccentric locking collar type) 8. Replacement of bearing When replacing the insert bearing unit with a new one, if either the bearing or housing is slightly damaged, replacement of either one is possible instead of replacing both ones. When assembling the bearing into the housing, position the bearing outer ring at right angles to the bearing seat, and press-fit it into the notched part of housing, and then turn the bearing. - Page 13 Mar. 2021...
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