1. NKE AUSTRIA Competence in bearings for agricultural machinery
Version
NKE AUSTRIA Competence in bearings for agricultural machinery

2. Content NKE standard bearings NKE special bearings
Examples of application of NKE products in agricultural machinery
Reference list

3. NKE standard bearings
Wide range of standard bearings either from stock or with short lead-time
Internationally standardised – excellent availability, economical, 100% interchangeable with leading brands
Covers most industrial applications

4. NKE special bearings
In some cases, customers need special solutions for their particular applications
With decades-long experience in the bearing industry, NKE engineers are capable of providing you with rapid, practical and creative custom-made solutions
Advantages of special bearings:
Tailor-made for your applications
In many cases lower LCC due to better performance, lower maintenance costs, better use of available space, possibility of integration of neighbouring parts, etc.
Secured spare parts business

5. srilling/sowing machines

6. Reference: Equipment manufacturer (DE)
Customer profile:
The company is a well known manufacturer of agricultural machines; e.g. sowing and soil cultivation machines

7. Reference: Equipment manufacturer (DE) – 1
Application:
Disc harrows
Bearing arrangement for double discs blades
Customer requirements:
Stiff bearing arrangement to accommodate high tilting torques
Optimal sealing of bearings

8. Reference: Equipment manufacturer (DE) – 2 … continued
NKE solution:
Special double row angular contact ball bearing with 60° contact angle and split inner ring
Preloaded bearing and special grease filling combined with a RSR sealing
Advantages:
Maximum supporting width due to large angle of contact
High thrust load capability
Ready for mounting unit

9. Reference: Equipment manufacturer (DE) – 2
Application:
Rotary harrow
Bearing arrangement for the rotor shaft
Customer requirements:
Reduction of part numbers
Optimization of load carrying capacity and sealing

10. Reference: Equipment manufacturer (DE) – 2
Application:
Short disc-harrow
Bearing arrangement for the hollow discs
Customer requirements:
Robust bearing design to stand high tilting torques and shock loads
Solid sealing and lifetime greased bearing units

11. Reference: Equipment manufacturer (DE) – 2 … continued
NKE solution:
Special deep groove ball bearing with integrated shaft seal and felt sealing
The second bearing is a standard RS2
Advantages:
Easy logistics and assembly – one unit instead of previously 4 pieces
Bearing and sealing have been adopted to the available mounting space
Cost effective solution

12. Sowing application

13. reference: Equipment manufacturer (DE)
application:
Sowing machine “Solitair”
Bearing arrangement for the double disc coulters
customer requirements:
Stiff bearing arrangement to stand high tilting torques
optimized sealing solution

14. Reference: Equipment manufacturer (DE) … continued
NKE solution:
Special double row angular contact ball bearing with axial preloading and additional sealing
Advantages:
Maximisation of bearing lifetime
Exact positioning and guiding of the disc blades due to a robust bearing design
Optimization of the sealing

15. Reference: Equipment manufacturer (GB)
Customer profile:
A family owned business founded in 1973, specialised in sowing machines
Application:
Bearing for double disc culture of a drilling machine
Customer requirements:
Stiff arrangement to accommodate radial and axial shock loads
Best possible bearing seal against highly dusty environment

16. Reference: Equipment manufacturer (GB) … continued
NKE solution:
Paired tapered roller bearing adjusted with spacer rings in back-to-back arrangement
Pre-lubricated with high performance grease and sealed with rubber lip seals on both sides and additional labyrinth seal on the critical outer side
Advantages:
High load carrying capacity of tapered roller bearings
High stiffness due to back-to-back arrangement
Optimum protection against dirt and dust due to complex sealing

17. Self-propelled agricultural machinery

18. Reference: Transmission for tractors (AT)
Customer profile:
The enterprise develops, produces and services driveline and chassis technologies around the world
Application:
Counter shaft for “Power Shuttle“-power shift transmission of tractors
Bearing types:
Tapered roller bearings
Deep groove ball bearings

19. Reference: Tractor manufacturer (woldwide)
Customer profile: one of the leading tractor manufacturers worldwide
NKE delivers bearings for aftermarket for years, e.g.
Special DGBB
Special DGBB

20. New Developement NKE AG-UNIT --- ACB0600 series 1/2
Project: ACB06xx
Application: Disc Harrows
Background: increasing use and demand for ready to mount solutions
Aim: unitized system
Features:
High performance within limited space
Increased resistance against tilting
Ready to mount and maintenance free
High quality lubricant and multiple sealing layers for long operating time
Special coating of housing for longevity
Adaptable to customer‘s demands (housing / flange size and shape, mounting holes, axle bolt, etc.)

21. Comparison NKE AG-UNIT --- ACB0600 series 2/2
Categories
NKE ACB06xx
other
Execution -
Beraing unit with two row angular contact ball bearing, outer ring raceway integrated into housing, greased for life and multiple sealing layers
Abutment Dimensions, External Dimensions
Standard execution compatible with existing solutions
Special executions possible to suit customer requirements
Standard only
Performance
Load ratings
Strenghtend inner design, despite larger contact angle comparable load ratings
Standard
Pressure angle and support width
45° and 67,5mm
32° and 48mm
Clearance / preload
Limited preload
Limited clearance
Materials Housing, Internal Parts, Axle Bolt
Equivalent, housings with thin film, anti-corrosion coating
Seals
Front seals (carrier side, from outside)
Cover – gap seal
Barrier grease
Cassette seal
Axial seal
Rear seals (disc side, from outside)
O-ring
Speical, contacting, multilip seal
Rubber cap
Standard, single bearing sela bearing
Lubrication
Grease type
Special
Wheel bearing grease
Grease quantity
Full grease filling (70-90%)
Standard grease filling (50%)

22. Reference list – agricultural machinery