supply of corrosion resistant zinc plated drop forged steel heavy duty swivel castorscorrosion resistant zinc plated drop forged steel heavy duty swivel castors,corrosion resistant zinc plated drop forged steel heavy duty swivel casto rs(generally to is 7369/1983) of two deep grooved ball bearings (one for swivel action and other for taking thrust loads) in the swivel head for high operability and easy man euverability under heavy loads fitted with high quality non-marking abrasive resistant hard rubber wheels (of shore hardness 80to 90) moulded on cast iron core equipped wi th sealed ball bearings size: od of wheel:200 mm, hub length:82 mm,tread width: 75 mm, 2 00 x 75 swivel castors:height: 250 mm plus or minus 3 mm, load capacity: 600 kgs. [ warran ty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited