CR

Collet chuck for cylindrical center mount
  • Collet chucks with bayonet catch are mainly used for chucking bar work on NC / CNC lathes.
  • The bar can be fed in through the chuck.
  • Profiles can also be chucked with the appropriate collets.

Drawings

Specification

UNIT : mm
SPEC
Model
Matching
Adapter
Bar
Capacity
(mm)
Sleeve
Stroke
(mm)
Max.
Push
Force
KN(kgf)
Max.
Gripping
Force
KN(kgf)
Max.
Speed
(r.p.m.)
Weight
(kg)
CR42-140 140 42 7 25 (2549) 55 (5608) 6000 6.2
CR52-170 170 52 7 30 (3059) 65 (6628) 5000 12.5
CR60-170 170 60 7 30 (3059) 65 (6628) 5000 11.5
CR60-220 220 60 7 30 (3059) 65 (6628) 5000 15.5
CR80-220 220 80 7 35 (3568) 73 (7443) 4000 19.5
DIM
Model
A
(h6)
B C D E F
(h6)
G H J
max.
K L M N P T
CR42-140 155 114 100 23 104.78 140 M66xP1.5 60 M55xP2.0 25 18 6 11.9 3-M10 3.1
CR52-170 185 138 130 30 133.35 170 M90xP1.5 66.7 M60xP2.0 30 18 6 17.9 6-M12 3.1
CR60-170 185 139 130 30 133.35 170 M90xP1.5 80 M74xP2.0 30 18 6 17.9 6-M12 3.1
CR60-220 235 141 130 32 171.45 220 M90xP1.5 80 M74xP2.0 30 20 6 19.9 6-M16 3.1
CR80-220 235 167 156 32 171.45 220 M14xP2.0 99 M90xP2.0 27.5 20 6 23.4 6-M16 6.1
Capacities
Chuck
MULTIBORE SPRING COLLET
NO. Cat.No. / ○ / ○ / □ Cat.No. / ○ / ○ / □
CR42 M-673 / 42 / 36 / 30 173E / 4728 / 42 / 36 / 30
CR52 - /- /- /- 177E / 52 / 45 / 26
CR60 M-677 / 60 / 52 / 42 185E / 4291 / 60 / 52 / 42
CR80 J-660 / 80 / 69 / 56 193E / H-47 / 80 / 69 / 56

*Uses the collet to DIN6343 specification.