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Roller Bearings
(20)Most popular for industrial wheel use. Great general duty bearing with high capacity.
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Spanner Bushings
(14)Non-rotating steel sleeve that fits over the axle. Provides hardened surface for bearing rollers; caster legs are locked against it.
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Hardened rollers are retained in a hardened casing. A superior version of the split race roller bearing.
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Ideal for severe duty applications. Withstands high load, side load, impact and high speed.
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Retain lubrication and prevent dirt and debris entry. Standard on all tapered roller bearings. Also available in flat washer type for roller bearings.
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Snap Rings
(6)Internally expanding metal rings that lock into bore grooves to provide backing for ball or tapered roller bearings.
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Washer Seals
(8)Retain lubrication and prevent dirt and debris entry. Standard on all tapered roller bearings. Also available in flat washer type for roller bearings.
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Easiest rolling bearing. Generally maintenance free. T-bushing available for most sizes.
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Easiest rolling bearing. Generally maintenance free. T-bushing available for most sizes.
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Metal T-shaped bushings used in ball bearing setups.; allow axle to be tightened on caster legs without applying force to inner race of bearing. Two T bushings required per wheel length x 2 = overall.
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Spacer Washers
(7)Used in tapered roller bearing setup; allow caster leg to apply required preload to tapered bearing cone.