Sopko Cartridge Insert Spindle for
Internal and External Grinding.

THREE BEARING DESIGN PROVIDES MAXIMUM VIBRATION DAMPENING FOR ID GRINDING.
INSERTS AND ACCESSORIES ALLOW YOU TO DO BOTH OD AND ID GRINDING.
HEAVY DUTY REPLACEMENT SPINDLE FOR SERIES 5, 55, AND 57 DUMORE TOOL POST GRINDERS. ALSO IDEAL FOR CUTTING COMMUTATORS, ARMATURES, AND CARBIDE.

01247 (500T300) FEATURES AND SPECIFICATIONS:
  • Made with ABEC 7 precision bearings.
  • 32,500 RPM maximum.
  • Grease sealed lubrication allows for horizontal or vertical operation.
  • Duplex wheel end bearing. Two precision matched bearings spaced for optimum rigidity. Duplex bearings eliminate end-play and prevent movement at the wheel end of the spindle.
  • Spindle assembly dynamically balanced for smooth operation at all spindle speeds.
  • Spindle housing machined from solid bar stock for rigidity even after thousands of hours of operation.
  • Nilos rings on bearing races help keep out dirt, abrasive particles and coolant, and hold grease in bearings by forming a complete labyrinth seal prolonging bearing life.
  • Maximum spindle runout .0001 T.I.R.
  • Floating pulley end bearing floats against spring tension to permit thermal expansion of the shaft.
  • Unit net weight 5.15 lb. Shipping weight 6 lb.


01247


SOPKO
CATALOG NO.
SOPKO
PART NO.
DIMENSIONS

D

01247 500T300 1/2-20RH
01222 - 1/2-20LH

Maintain safe speeds, refer to grinding wheel manufacturersí instructions and ANSI B7.1 or DIN 69170 safety standards.
See our complete line of accessories on page 103 and 104.
 

ROTATION:

RH: Right-hand threads for CCW spindle rotation.
LH: Left-hand threads for CW spindle rotation.
CAUTION!
Always Wear Safety Goggles When Griding.

102

William Sopko & Sons Co., Inc. ● 26500 Lakeland Blvd. ● Cleveland, Ohio 44132-2692 ● Order Desk (216) 289-1400 ● Fax (216) 289-1888

 


 
Sopko Cartridge Spindle 3.000” TPF
With 1.00” Diameter at Large End of Taper.

FITS ANY 1-3/4" OR 2" DIAMETER HOUSING, INCLUDING CURRENT SERIES 57 AND OLDER OBSOLETE SERIES 5, 55, 7, AND 77 DUMORE TOOL POST GRINDERS. LARGE BEARING DESIGN SUPPORTS THE STANDARD TAPER MAKING IT IDEAL FOR GRINDING CARBIDE.
 

 
These Sopko cartridge spindles are machined from solid bar stock for complete rigidity, even after thousands of hours of operation. An ultra-precision replacement spindle with oversized nose bearing design to provide maximum support of the tapered shaft. Two pair of ABEC 7 bearings are spaced for optimum rigidity. The end bearing floats against spring tension to permit thermal expansion of the shaft during operation. Grease-packed bearings require no additional lubrication.

Features and specifications:

  • Made with ABEC 7 precision bearings.
  • 7,200 rpm maximum.
  • Grease sealed lubrication allows for horizontal or vertical operation.
  • Duplex wheel-end bearing design.
  • Spindle assembly dynamically balanced.
  • Spindle housing machined from solid bar stock for rigidity and strength.
    

01179 (285-003-0012RH) 1-3/4" diameter barrel. Furnished with 1/2-13RH hex spindle nut. Unit net weight 9.65 LB. Shipping weight 12 LB. 01181 (285-003-0010RH) 2" diameter barrel. Furnished with 1/2-13RH hex spindle nut. Unit net weight 11.5 LB. Shipping weight 14 LB.
01180 (285-003-0012LH) 1-3/4" diameter barrel. Furnished with 3/8-16LH hex spindle nut. Unit net weight 9.65 LB. Shipping weight 12 LB. 01182 (285-003-0010LH) 2" diameter barrel. Furnished with 3/8-16LH hex spindle nut. Unit net weight 11.5 LB. Shipping weight 14 LB.

Maintain safe speeds, refer to grinding wheel manufacturers’ instructions, ANSI B7.1 or DIN 69170 safety standards.
 

ROTATION:

RH: Right-hand threads for CCW spindle rotation.
LH: Left-hand threads for CW spindle rotation.
CAUTION!
Always Wear Safety Goggles When Griding.

105

William Sopko & Sons Co., Inc. ● 26500 Lakeland Blvd. ● Cleveland, Ohio 44132-2692 ● Order Desk (216) 289-1400 ● Fax (216) 289-1888