Bearings (Brgs.) – Basic types:
- Sleeve (Slv.) – A bearing that is made of a sleeve bushing. In fractional hp motors, sleeve bearings are used on motors with low to moderate radial and axial loads.
- Unit – Motors are constructed with a long, single sleeve bearing. For fan duty only. All-position mounting unless otherwise stated.
- Ball – Used where higher load capacity is required or ball bearing is
preference. Common means used to keep out dirt:- Shields – Metal rings with a close running clearance between the inner and outer race of bearing.
- Seals – Similar to shields, except having rubber lips that press against the inner race, more effectively excluding dirt, etc.
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