Produktkatalog 2011 - Busck

6. SK4
6.3 Ordering information
Gear units with two and three stages
S K - -
Gear units with more than 3 stages
S K
3 Output flange
Z No flange
F B5 flange
T B14 flange
Example:
3 4 5 6 7 8 9 10 11 12 13
3 4 5 6 7 25 26 27 8 9 10 11 12 13
4 Output shaft
H Hollow shaft with keyway
N Solid shaft with feather key
S Hollow shaft with shrink-fit ring
B Hollow shaft with conical clamping
sleeve
T Hollow shaft with splining
C Hollow shaft with shrink-fit ring and
bronze bush
5 Size
2 - 3 - 4 - 5 - 6 - 7 - 8 - 9
6 Design index:
6 Metric version
7 Inch version
7 Number of stages
C 3-stage
8 Total gear ratio
SK casing. no flange. solid shaft. size 3. design index 6. 3-stage.
gear ratio i = 1/25. motor size 112. shaft arrangement left. mounting position 1
9 Drive unit
No designation: Integrated motor
U IEC flange motor
I I-latern
M Motor chair
10 Accessories for gear units
R Reversal lock on drive shaft (not for
sizes 2 to 6 in U-constr. Type)
Specify free direction of rotation
11 Motor
12 Shaft arrangement
L Output shaft left
R Output shaft right
T Output shaft left and right
13 Mounting positions
Only for gear units with more than 3 stages
25 Size preliminary stage gear unit
26 Design index prelim.-stage gear unit
27 Number of stages prel.-stage gear unit
3 4 5 6 7 8 9 10 11 12 13
S K Z N 3 6 C 25 112 L 1
3 4 5 6 7 25 26 27 8 9 10 11 12
S K F H 5 6 C 1 6 B 350 U - 90 - V1
SK casing. B5 flange. hollow shaft with keyway. size 5. design index 6. 3-stage. size primary-stage gear unit 1. design index primary-stage
gear unit 6. 2-stage primary-stage gear unit. total gear ratio I = 1/350. U-latern for motor size 90. shaft arrangement left. mounting position 1
181