Industry Iron core polyurethane casters

{"cid":"109977","pid":"21337847","pimg_url":"\/\/img1.b2bforus.com\/85\/d0\/6ab0bb5d4396\/product\/71133435_s-w400xh400.jpg","name":"Other Source Factory Products 8X2 Heavy Duty Roller Bearing Iron Core Polyurethane Caster Wheel","attrs":{"Price":"$7.50(1 - 999 Pieces) $6.90(1000 - 4999 Pieces) $6.50(5000 - 9999 Pieces) $5.90(>=10000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"HJ caster"}}

{"cid":"109977","pid":"21337831","pimg_url":"\/\/img1.b2bforus.com\/85\/d0\/6ab0bb5d4396\/product\/71133377_s-w400xh400.jpg","name":"PIVOT Source Factory Products 5X2 Dumb Swivel Ball Bearing Iron Core Polyurethane Double Caster Heavy Duty Wheel","attrs":{"Price":"$5.99(1 - 999 Pieces) $5.29(1000 - 4999 Pieces) $4.58(5000 - 9999 Pieces) $2.99(>=10000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable"}}

{"cid":"109977","pid":"21337821","pimg_url":"\/\/img1.b2bforus.com\/85\/d0\/6ab0bb5d4396\/product\/71133323_s-w400xh400.jpg","name":"PIVOT SOURCE FACTORY PRODUCTS 6X2 Swivel Dumb Ball Bearing Iron Core Polyurethane mute Heavy Duty Double Caster With Double Brake","attrs":{"Price":"$7.99(1 - 999 Pieces) $7.38(1000 - 4999 Pieces) $6.46(5000 - 99999 Pieces) $3.99(>=100000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable"}}

{"cid":"109977","pid":"21337805","pimg_url":"\/\/img1.b2bforus.com\/85\/d0\/6ab0bb5d4396\/product\/71133275_s-w400xh400.jpg","name":"Single Caster Source Factory Products 8X2 Heavy Duty Double Ball Bearing Iron Core Polyurethane Caster Wheel","attrs":{"Price":"$4.90(1 - 2999 Pieces) $4.50(3000 - 9999 Pieces) $3.79(10000 - 29999 Pieces) $2.79(>=30000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"PU caster wheel"}}

{"cid":"109977","pid":"21337791","pimg_url":"\/\/img1.b2bforus.com\/85\/d0\/6ab0bb5d4396\/product\/71133227_s-w400xh400.jpg","name":"Caster Source Factory Products 4x2 Heavy Duty Roller Bearing Iron Core Polyurethane Heavy Duty Caster Wheel","attrs":{"Price":"$1.99(1 - 999 Pieces) $1.79(1000 - 4999 Pieces) $1.69(5000 - 99999 Pieces) $0.99(>=100000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable"}}