Products Catalog

Design
Draw tube operated design. Can be actuated with either a hydraulic or pneumatic cylinder mounted at the rear of the machine spindle.

Application
OD and ID chucking for cylindrical grinding, turning, and hard turning. Ideal for workpieces requiring high concentricity, and applications requiring high chucking force and/or high spindle speeds.

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Unit of Measure

Items	MBS/Z-100 MBS/Z Draw Bar Operated Diaphragm Chucks	MBS/Z-125 MBS/Z Draw Bar Operated Diaphragm Chucks	MBS/Z-150 MBS/Z Draw Bar Operated Diaphragm Chucks	MBS/Z-200 MBS/Z Draw Bar Operated Diaphragm Chucks	MBS/Z-250 MBS/Z Draw Bar Operated Diaphragm Chucks
Chuck Size	N/A 4 in102 mm	N/A 5 in127 mm	N/A 6 in152 mm	N/A 8 in204 mm	N/A 10 in254 mm
Repeating Accuracy	N/A .0001 in.0025 mm
No. of Jaws	N/A 6
Jaw Stroke¹	N/A .063 in1.5 mm	N/A .063 in1.5 mm	N/A .063 in1.5 mm	N/A .063 in1.5 mm	N/A .120 in2 mm
Max. Jaw Force	N/A 8,655 lbf2,940 kgf	N/A 11,420 lbf5,190 kgf	N/A 12,210 lbf5,550 kgf	N/A 15,595 lbf7,090 kgf	N/A 38,075 lbf17,300 kgf
Max. rpm²	N/A 7,000	N/A 6,500	N/A 6,000	N/A 4,500	N/A 4,000
Weight³	N/A 6.9 lb3.1 kg	N/A 10.6 lb4.8 kg	N/A 14.5 lb6.6 kg	N/A 28.7 lb13.0 kg	N/A 60.9 lb27.7 kg
A Dimension	N/A 4.02 in102.1 mm	N/A 6.00 in127 mm	N/A 6.98 in152 mm	N/A 8.03 in204 mm	N/A 10.00 in254 mm
B Dimension⁴	N/A A2-4	N/A A2-4	N/A A2-5	N/A A2-6	N/A A2-8
C Dimension	N/A M16	N/A M16	N/A M16	N/A M16	N/A M20
D Dimension	N/A .314 in8.0 mm	N/A -.126 in-3.2 mm	N/A -.244 in-6.19 mm	N/A .284 in7.2 mm	N/A .354 in9.0 mm
F Dimension	N/A 2.36 in60 mm	N/A 2.32 in58.9 mm	N/A 2.21 in56.1 mm	N/A 2.46 in62.4 mm	N/A 3.34 in84.8 mm
G Dimension	N/A 4.33 in110 mm	N/A 5.35 in135.9 mm	N/A 6.38 in162.1 mm	N/A 8.43 in214.1 mm	N/A 10.39 in263.9 mm
H Dimension	N/A 3.500 in88.9 mm	N/A 4.406 in112 mm	N/A 5.350 in135.9 mm	N/A 7.200 in182.9 mm	N/A 9.200 in233.7 mm
J Dimension	N/A M5	N/A M6	N/A M6	N/A M10	N/A M10
Item No.	N/A 41 100 016	N/A 41 125 001	N/A 41 150 002	N/A 41 200 004	N/A 41 250 001
Ordering Information	N/A MMR Diaphragms, AAS Part Stop Spiders and SMR Blank Top Jaws are not included Diaphram Chucks but are standard equipment.
¹ Jaw stroke on diameter with 1.50" high top jaws ² Max. rpm is influenced by draw tube force and weight of top jaws ³ Weight without top jaws ⁴ Other mounting configurations available upon request