4" Polyolefin Swivel Caster SKU# 4-81-839-7 Configuration For applications where water is present, select Delrin Bearing from the "Wheel Bearing" drop-down option above.Swivel Lock and Raceway Seal cannot be ordered together on this item. Select a Brake:* No + 0 Side Lock + $4 Tech Lock + $8 Front Side Total Lock + $10 Back Side Total Lock + $12 Select a Swivel Lock:* No + 0 Yes + $3.5 Select a Raceway Seal:* No + 0 Yes + $2.5 $14.59 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Specifications Weight Capacity: 400 lbs. Wheel Diameter: 4" Wheel Width: 2" Wheel Material: Polyolefin Overall Height: 5-5/8" Jump to Full Product Specification Lead Time to Ship, Shipping & Returns Lead Time to Ship: 3-5 Business Days Ship Weight: 3.19 lbs 30 Day Returns Returned product is subject to a 15% restocking fee.