Trolley Classification by bearing capacity

{"cid":"157797","pid":"26118552","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445709_s-w400xh400.jpg","name":"Hotels 40 mm \/50 mm \/63 mm Plastic Swivel PU\/PVC Caster Wheels For Chair \/ Furniture","attrs":{"Price":"$0.43(>=1000 Pieces)","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"MINGWEI"}}

{"cid":"157797","pid":"26118539","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445622_s-w400xh400.jpg","name":"Rigid Swivel 4 Inch Industrial Heavy Duty Iron Core PU Caster Trolley Wheel Caster","attrs":{"Price":"Negotiable","MOQ":"12 Pieces","Delivery Time":"Negotiable"}}

{"cid":"157797","pid":"26118524","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445559_s-w400xh400.jpg","name":"Rigid Rigid Caster Wheel Heavy Duty Caster Fixed Cart Wheels","attrs":{"Price":"Negotiable","MOQ":"20 Pieces","Delivery Time":"Negotiable"}}

{"cid":"157797","pid":"26118513","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445497_s-w400xh400.jpg","name":"4 Inch PVC Rigid Caster Fixed Heavy Duty Industrial Rigid Caster Wheels For Carts","attrs":{"Price":"Negotiable","MOQ":"60 Pieces","Delivery Time":"Negotiable"}}

{"cid":"157797","pid":"26118500","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445439_s-w400xh400.jpg","name":"100mm \/ 4 Kg Inch 1800 Steel Industrial Super Heavy Duty Swivel Caster Wheel Heat Resistant","attrs":{"Price":"$36.12(>=500 Pieces)","MOQ":"500 Pieces","Delivery Time":"Negotiable"}}

{"cid":"157797","pid":"26118482","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445375_s-w400xh400.jpg","name":"Forklift Caster Extra Heavy Duty 4 Inch PU Caster Wheels Cast Iron Double Ball Bearing","attrs":{"Price":"Negotiable","MOQ":"500.0 Pieces","Delivery Time":"Negotiable","Brand":"MS"}}

{"cid":"157797","pid":"26118464","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445274_s-w400xh400.jpg","name":"Trolley Korea Standard Red Ball Bearing PU Caster Double Wheel With Brake For Trolley","attrs":{"Price":"Negotiable","MOQ":"500.0 Pieces","Delivery Time":"Negotiable"}}

{"cid":"157797","pid":"26118447","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445223_s-w400xh400.jpg","name":"Fixed Rigid Hand Truck Swivel Flatbed Trolley Hand Truck Caster Wheels PVC Caster Wheel","attrs":{"Price":"$1.88(>=50 Pieces)","MOQ":"50 Pieces","Delivery Time":"Negotiable","Brand":"MW"}}

{"cid":"157797","pid":"26118430","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445029_s-w400xh400.jpg","name":"Flexible And Durable 200mm 8 Inch Industrial Rubber Top Plate Fixed Caster Rigid Caster Wheels Single Wheel","attrs":{"Price":"Negotiable","MOQ":"50 Pieces","Delivery Time":"Negotiable","Brand":"No"}}

{"cid":"157797","pid":"26118410","pimg_url":"\/\/img1.b2bforus.com\/19\/e2\/d85beaf62b14\/product\/92445029_s-w400xh400.jpg","name":"160mm Flexible And Durable 6 Inch Swivel Universal Industrial Rubber Caster Wheels Single Wheel","attrs":{"Price":"Negotiable","MOQ":"50 Pieces","Delivery Time":"Negotiable","Brand":"Mingwei"}}