Information： Marine grade wheels are designed for trailer idler shafts. Suitable for 2000 lb axle with BT8 spindle. Includes inner bearing (L44643) and seat ring, outer bearing (L44643) and seat ring, oil seal, oil cap and lug nut. Marine class trailer hub assembly for idler shaft. Includes bearings, seat rings, seals, oil caps and lug nuts. Strong steel construction. Ideal for use on a boat or snowmobile trailer. Compatibility Chart： Application: With BT8 spindle, compatible with most manufacturers' standard 2,000 pound trailer axles. Bolt pattern: 4 on 4" Wheel stud size: 1/2 inch diameter x 1-5/16 inch long Grease cap flange diameter: 1.988 inches .
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