3
Gear unit structure
Type designation
Assembly and Operating Instructions – Explosion-Proof Gear Units
25
3.10
Type designation
INFORMATION
For a detailed overview of type designations and additional information, refer to the
following publications:
•
"Explosion-Proof Gearmotors" catalog
•
"Explosion-Proof AC Motors" catalog
Example: Helical-bevel gear units in explosion-proof design II2GD
Example: KF87/II2GD
Series
KF
•
K = Helical-bevel gear unit
•
F = B5 flange-mounted design
Size
87
Size 87
Explosion-proof
design
/II2G
Explosion-proof design according to equipment
group II:
•
2G = category 2, explosive gas atmosphere
•
2D = category 2, explosive dust atmosphere
Below an overview of type designations for R, F, S, K, and W gear units and their op-
tions.
3.10.1
Helical gear units
Designation
Description
RX..
Single-stage foot-mounted design, output shaft with key
RXF..
Single-stage B5 flange-mounted design, output shaft with key
R..
Foot-mounted design, output shaft with key
R..F
Foot- and B5 flange-mounted design, output shaft with key
RF..
B5 flange-mounted design, output shaft with key
RZ..
B14 flange-mounted design, output shaft with key
RM..
B5 flange-mounted design with extended bearing hub, output
shaft with key
3.10.2
Parallel-shaft helical gear units
Designation
Description
F..
Foot-mounted design, output shaft with key
FA..B
Foot-mounted design, hollow shaft with keyway
FH..B
Foot-mounted design, hollow shaft with shrink disk
FV..B
Foot-mounted design, splined hollow shaft to DIN 5480
FF..
B5 flange-mounted design, output shaft with key
FAF..
B5 flange-mounted design, hollow shaft with keyway
FHF..
B5 flange-mounted design, hollow shaft with shrink disk
24804134/EN – 05/2018
