Model Number: HL007 Brand Name: JLH Key Specifications/Special Features: 1) Material: chrome steel or carbon steel2) Ball: steel ball3) Bore size: 0-500mm4) Precision: P0/P2/P4/P5/P65) Vibration: V1/V2/V3/V46) Clearance: C0/C2/C3/C4/C57) Noise level: Z1/Z2/Z3/Z48) Series: U-groove, V-groove, external spherical surface and flat wheel9) Applications: door, sliding door, retractable door, mechanical equipmentOur company can produce more than 50 specifications of metallic pulleysWe also produce customized pulleys according to samples or drawings provided by the clientFor more information about pulleys and our company other produces, please don’t hesitate to contact us