1/2" Precision Roller Bearing

750 lbs Load Capacity @ 3 mph

4" x 4-1/2" Top Plate
800 lbs Load Capacity

4" x 4-1/2" Top Plate
300 lbs Load Capacity

4" x 4-1/2" Top Plate
800 lbs Load Capacity

4" x 4-1/2" Top Plate
1000 lbs Load Capacity

4" x 4-1/2" Top Plate
750 lbs Load Capacity

4" x 4-1/2" Top Plate
550 lbs Load Capacity

4" x 4-1/2" Top Plate
750 lbs Load Capacity

4" x 4-1/2" Top Plate
500 lbs Load Capacity

4" x 4-1/2" Top Plate
750 lbs Load Capacity

4" x 4-1/2" Top Plate
800 lbs Load Capacity

4" x 4-1/2" Top Plate
1000 lbs Load Capacity

4" x 4-1/2" Top Plate
750 lbs Load Capacity

4" x 4-1/2" Top Plate
550 lbs Load Capacity

4-1/2" x 6-1/2" Top Plate
800 lbs Load Capacity

4-1/2" x 6-1/2" Top Plate
300 lbs Load Capacity

4-1/2" x 6-1/2" Top Plate
500 lbs Load Capacity

4-1/2" x 6-1/2" Top Plate
800 lbs Load Capacity