Roller Ball Bearings Flashcards
3 most common issues
Contamination lubrication misalignment
How much grease is required?
1 to 1-1/2 times diameter
What is the most common ball bearing?
Conrad
What are three things about Conrad bearing?
High speed
Medium thrust
High load
What is a filling slot bearing?
Conrad but has notch to fill balls. Must be thrusted away from slot
3 things about filling slot bearing.
Maximum capacity
High load
Medium speed
Low thrust in one direction
3 things about self aligning bearings.
Misalignment up to 3^
Light loads
Vibrations/deflections under load
3 things about angular contact
Higher thrust in one direction
Lower load
Lower speed
3 things about thrust bearings.
Carry primarily thrust loads
Provide axial shaft rotation
Flat race- flat seat
Grooved race- flat seat
3 things about thin section Conrad bearing
Used when space is tight
Low load capacity
Lighter more compact design
3 things about Unground bearings
Fewer parts
Cost less
Less installation costs
3 things about precision/ super precision bearings
Exact rotation demands
High accuracy
Limited end play
Smooth running, high speeds
What type contact is ball bearings?
Point contact
What are the main types of ball bearings?
Conrad Filling slot Angular contact Self aligning Thrust Thin section
