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POWER. PRECISION. RELIABILITY. RETHOUGHT.

ZK Bevel gearboxes | Technology that gets it right

The ZK Series is designed for a service life of over 20,000 operating hours. The stable grey cast-iron housing in RAL 7021, paint-free sealing elements and shafts ensure a precise fit. Special coatings and customer-specific versions with additional paint-free areas at various connection interfaces are available on request.

ZK Bevel gearboxes are available with ratios 1:1, 2:1 and 3:1; further variants are in development. Proven lubrication reduces maintenance effort.

Technical information on ZK bevel gearboxes

Types / Versions / Side definition
Design
Speed limits / Variants
ZK Bevel gearboxes | Technology that gets it right
Mounting threads on all sides
Shaft sealing by Form-A radial shaft seals
Grey cast-iron housing, machined on all faces
Robust tapered-roller bearing arrangement
Bevel gears made of hardened steel with optimized flank geometry
Shafts made of high-grade quenched-and-tempered steel
Low backlash

Types and versions of ZK bevel gearboxes

The types 1.1, 1.2 and 1.3 describe the position of the output shaft. The versions WE-FN and HW-FN describe the combination of drive shaft and output shaft.

ZK Bevel gearboxes | 1.1 | Output shaft at bevel gear (side C)
1.1
Output shaft at bevel gear (side C)
ZK Bevel gearboxes | 1.2 | Output shaft opposite to bevel gear (side A)
1.2
Output shaft opposite to bevel gear (side A)
ZK Bevel gearboxes | 1.3 | Output shaft on both sides (side A+C)
1.3
Output shaft on both sides (side A+C)
ZK Bevel gearboxes | WE-FN | Drive shaft: solid shaft | Output shaft: solid shaft
WE-FN
Drive shaft: solid shaft | Output shaft: solid shaft
ZK Bevel gearboxes | HW-FN | Drive shaft: solid shaft | Output shaft: hollow shaft
HW-FN
Drive shaft: solid shaft | Output shaft: hollow shaft

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Side definition of ZK bevel gearboxes

The side definition includes mounting orientation, mounting and optional oil fitting.

ZK Bevel gearboxes | Side definition
ZK Bevel gearboxes | Mounting orientation (side downwards)
Mounting orientation (side downwards)
ZK Bevel gearboxes | Mounting side
Mounting side
ZK Bevel gearboxes | Oil fitting optional
Oil fitting optional

RPM

Maximum input speed n_D with standard lubricant

Mounting orientation shaftsiZK-065ZK-090ZK-120ZK-140
nD : nACnD , min-1nD , min-1nD , min-1nD , min-1
ZK Bevel gearboxes | 1.1 | Output shaft at bevel gear (side C)ZK Bevel gearboxes | 1.2 | Output shaft opposite to bevel gear (side A)all horizontal / input below (shaft D)1:11800180018001800
2:11800180018001800
3:11800180018001800
ZK Bevel gearboxes | 1.3 | Output shaft on both sides (side A+C)Input above (shaft D)1:11800180017001550
2:11800180017001550
3:11800180017001550
ZK Bevel gearboxes | WE-FN | Drive shaft: solid shaft | Output shaft: solid shaftZK Bevel gearboxes | HW-FN | Drive shaft: solid shaft | Output shaft: hollow shaftOutput vertical (shaft A/C)1:11800180017001460
2:11800180018001800
3:11800180018001800

Maximum input speed nD with high-performance lubricant

Mounting orientation shaftsiZK-065ZK-090ZK-120ZK-140
nD : nACnD , min-1nD , min-1nD , min-1nD , min-1
ZK Bevel gearboxes | 1.1 | Output shaft at bevel gear (side C)ZK Bevel gearboxes | 1.2 | Output shaft opposite to bevel gear (side A)all horizontal / input below (shaft D)1:13000300030003000
2:13000300030003000
3:13000300030003000
ZK Bevel gearboxes | 1.3 | Output shaft on both sides (side A+C)Input above (shaft D)1:130002200––
2:130002200––
3:130002200––
ZK Bevel gearboxes | WE-FN | Drive shaft: solid shaft | Output shaft: solid shaftZK Bevel gearboxes | HW-FN | Drive shaft: solid shaft | Output shaft: hollow shaftOutput vertical (shaft A/C)1:130002200––
2:13000300030002800
3:13000300030003000
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Sizes of ZK bevel gearboxes

The ZK Series includes the four sizes 065, 090, 120 and 140.

ZK Bevel gearboxes | 065
ZK Bevel gearbox
065

ZK Bevel gearboxes | 090
ZK Bevel gearbox
090
ZK Bevel gearboxes | 120
ZK Bevel gearbox
120
ZK Bevel gearboxes | 140
ZK Bevel gearbox
140

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