coal belt conveyor rubber disc impact rollers--conveyor rubber rollers

Conveyor impact roller Welding type:Seamless welding, carbon dioxide arc welding. Seal type: Labyrinth sealing. Service life: 30 thousand hours. Inside structure:Bearing box,bearing,labyrinth sealer,seal disc,inside and outside retaining collar,circlip. Quality guarantee:Manual inspection, sampling inspection by the lab. Inspection items: Dustproof, waterproof,rotational resistance,axial float, shaft radial play. Lubrication:Lithium grease within the bearing box.     Impact roller standard:

Summary of the roller size:
Standard External Diameter		Standard Inner Diameter	Length Scope	Bearings Type
mm	lnch	mm	mm	min-max
89	3 1/3	60/ 50	170-3400	204
102	4	76	170-3400	204 205
108	4 1/4	89/76/60	170-3400	204 205
114	4 1/2	89/ 76	170-3400	204 205
127	5	89	170-3400	204 205
133	5 1/4	89/70/63.5	170-3400	204 205
140	5 1/2	89	170-3400	204 205
152	6	108/76	170-3400	204 205 206 305 306
159	6 1/4	108	170-3400	204 205 206 305 306
194	7 5/8	159/ 133	170-3400	205 206 207 305 306 307 308
Note: special specification of supply and demand both sides can be coordinated.