NKE AUSTRIA Competence in bearings for agricultural machinery Version 04.2016 NKE AUSTRIA Competence in bearings for agricultural machinery

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

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

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

srilling/sowing machines

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

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

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

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

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

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 6308-2RS2 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

Sowing application

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

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

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

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

Self-propelled agricultural machinery

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

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

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.)

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%)

Reference list – agricultural machinery