Spindles for J-7, J-35 & J-45
Standard Spindles
#945 Spindle Assembly
For model J-7 grinder only
For grinding wheels 1/2" face x 3/4" bore up to 6" diameter and extensions described below. For use with model J-7 grinder only. Maximum speed 27,000 rpm. Supplied with 2 #944 collars 2 1/2" diameter, 1 #930 and 1 #912 nut.
#2025 Spindle Assembly
Standard with models J-35 and J-45
Maximum wheel diameter recommended 5". Maximum speed 45,000 rpm. Interchangeable on grinder models J-35, J-4, J-40 and J-45. Adaptable to grinder models J-3 and J-30 with the use of #2081 Spindle Tube Brackets.
Extension Spindles
Interchangeable on #945T and #2025 Spindle Assemblies
#2036
Extension spindle with 2 #143 1" and 2 #644 collars 2" diameter and #130 nut (for wheels 3/8" face x 3/8" bore, up to 4" diameter).
#2020
2" extension spindle with 2 #405 collars 3/4” and #446 arbor 1/4" diameter #28 R.H. thread (for wheels 1/2" face x 1/4" bore up to 1” diameter and 1/4" face x 1/4" bore up to 2" diameter).
#2067
Extension spindle with 2 #605 collars 2" diameter, 2 #443 collars 1" diameter and #912 nut (for wheels 1/2" face x 1/2" bore up to 4" diameter and 3/8" face up to 5" diameter).
#2097
Chuck extension 1/4" cap. with #397 sleeve and #406 collet 1/8" cap. (for use with wheels mounted on 1/4" or 1/8" mandrels).
#2021 - 2" extension spindle with #117 arbor 1/8" diameter and #105 collar.
#2031 - 3" extension spindle with #117 arbor 1/8" diameter and #105 collar.
#2037- 4" extension spindle with #117 arbor 1/8" diameter and #105 collar.
#2030 - 5" extension spindle with #117 arbor 1/8" diameter and #105 collar.
#2024 - 6" extension spindle with #117 arbor 1/8" diameter and #105 collar.
(Nos. 2021, 2031, 2037, 2030 and 2024 are for use with recessed wheels up to 1" diameter).
Deep Internal Grinding
900 Series
For model J-7 grinder only • RPM Max. 8300
1400 Series
For models J-3*, J-30*, J-35, J-4, J-40, J-45 • RPM Max. 9300
*One pair of #2081 spindle tube brackets required to adapt to J-3 and J-30 grinders.