CRA

Collet chuck for short taper 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.
Collet chuck for short taper mount
Collet chuck for short taper mount
UNIT : mm
SPEC
Model
Matching
Spindle
Bar
Capacity
(mm)
Sleeve
Stroke
(mm)
Max.
Push
Force
KN(kgf)
Max.
Gripping
Force
KN(kgf)
Max.
Speed
(r.p.m.)
Weight
(kg)
CR26A4 A2-4 26 5 20 (2039) 44 (4486) 7000 4.5
CR30A4 A2-4 30 5 20 (2039) 44 (4486) 7000 4.1
CR42A5 A2-5 42 7 25 (2549) 55 (5608) 6000 6.2
CR42A6 A2-6 42 7 25 (2549) 55 (5608) 6000 8.2
CR60A6 A2-6 60 7 30 (3059) 65 (6628) 5000 13
CR80A8 A2-8 80 7 35 (3568) 73 (7443) 4000 21
DIM
Model
A B C D E F G H J
max.
K N P T
CR26A4 112 103.5 85 30 82.55 63.513 M50xP1.5 45 M40xP1.5 15 21.7 3-M10 2.3
CR30A4 112 103.5 85 30 82.55 63.513 M50xP1.5 45 M40xP1.5 15 21.7 3-M10 2.3
CR42A5 135 124 100 27 104.78 82.563 M66xP1.5 60 M55xP2.0 25 27.4 4-M10 3.1
CR42A6 170 124 100 32 133.35 106.375 M66xP1.5 66 M60xP2.0 22 27.4 4-M12 3.1
CR60A6 170 145 130 27 133.35 106.375 M90xP1.5 80 M74xP2.0 30 29.9 4-M12 3.1
CR80A8 220 170 156 35 171.45 139.719 M114xP2.0 99 M90xP2.0 27.5 32.4 6-M16 6.1
Capacities
Chuck
MULTIBORE SPRING COLLET
NO. Cat.No. / ○ / / □ Cat.No. / ○ / / □
CR26 M-667 / 26 / 22 / 18 161E / 8744 / 30 / 26 / 18
CR30 M-669 / 30 / 26 / 21 163E / 4249 / 30 / 26 / 21
CR42 M-673 / 42 / 36 / 30 173E / 4728 / 42 / 36 / 30
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.