308DBS205y
2019-04-27
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Part NO.
Open type:308DBS205y
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Dimension
di:308mm
Da:522mm
H:73mm
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Mounting
Li:340mm
La:460mm
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Basic Load Ratings
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Equivalent Model
Mass:55.2kg
- Features
- Mounting
308DBS205y detail specifications:
Rolling Elements Ball Space retainer Yes Material GCr15 Bearing steel / 50Mn Standard lubrication method Grease lubrication Lubrication hole Yes Sealing NBR sealing at both sides Module 6 Teeth number 85 308DBS205y slewing ring bearing features:
1. Sustain radial, axial loads and tipping moments.
2. Simple structure, reduce maintenance time.
3. Easy installation and replacement with through or threaded mounting holes on inner and outer rings.
308DBS205y slewing bearing mounting holes:
– Inner ring mounting hole 15-M20, Thread depth 30mm
– Outer ring mounting hole 16-M18, Thread depth 30mm
308DBS205y four point contact bearings installation instructions
1. Make sure the mounting surface is flat and clean, and free from burrs or
rough edge.
2. The unhardened zone is marked with an “S” on the slewing ring, it must be positioned outside the main load-carrying areas.
3. Commissioning of the slewing ring under sufficient load.
4. Adjust the backlash of gear and recheck it after final tightening of the bearing.
5. Fastening bolts. Place the bearing onto connecting structure and align the screw holes. Screw all the bolts in the holes first and follow the order as shown in diagram when tightening bolts in diagonally opposite sequence. Do not tighten bolts randomly.
