Products & Services
Plain bearing manufacture and white metal coating for cement, power and heavy industry.
Products & Services
From Ankara OSTİM we manufacture plain bearings and provide white metal coating for cement, energy, mining and heavy industry plants across Türkiye and neighbouring countries.
New manufacture and renewal of existing bearings are delivered to the same quality standard.
Product & service categories
Products & Services

Cement mill trunnion bearings
Manufacture and white metal coating of trunnion bearings for cement and grinding mills. Built for continuous, long-life service.
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Hydro and thermal turbine & generator bearings
Thrust and guide bearings for hydro and thermal plants. White metal recoating and complete spare manufacture.
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Wülfel-type spherical and crusher bearings
Spherical bearings for crushers and gear systems. Tight tolerances and the right alloy for demanding duty.
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Eccentric crusher bearings
Eccentric crusher bearings for mining and grinding plants. High-quality manufacture and white metal coating.
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Electric motor, pump and gearbox bearings
Manufacture and white metal coating of plain bearings for electric motors, pumps and gearboxes.
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Vertical mill, gearbox and compressor thrust bearings
Manufacture and white metal coating of thrust (Michell) bearings for mills, gearboxes and compressors.
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Vertical turning
Vertical turning for parts up to 4000 mm diameter and 1600 mm height. Large-part workshop capacity.
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What we cover
The following product groups are covered:
- Cement mill trunnion bearings
- Slide bearings for ball, autogenous and bar mills
- Mill journal, trunnion and bearing revision
- Slide bearings for cement mill reducers, pinions, gears and shafts
- Slide bearings for crushers
- Cone crusher bearings
- Wülfel-type spherical bearings
- Electric motor slide bearings
- Rolling mill bearings
- Michell bearings for Loesche mills
- Turbine and thrust bearings for hydroelectric and thermal power stations
- Geothermal plant plain bearings
- Plain thrust bearings
- Complete bearing production including steel body casting
- Horomill bearings
- Alpine mill bearings
- V-type mill bearings
- Vertical mill bearings
- Ship shaft bearings
- Slide bearing production up to 6000 mm diameter (casting and machining)
- Vertical turning up to 4000 x 1500 mm