Shaft is high precision cold steel, Tube is high frequency seam welding, Decrease diameter runout and To ensure the operation process uniform rotation.Bearing use for HRB,ZWZ,LYC, bearing seat and dust cup use for high quality steel pressing, Lubrication using disposable high efficiency and long lithium base, And the labyrinth seal structure, waterproof, dustproof performance is good.
Roller load coefficient according to CEMA standard selection; Roller bearing with choose according to DIN standard;

Conveyor roller advantages:

1Small Radial runout,weighting roller is below 0.35mm

2Small rotating resistant,the resistant coefficient is below 0.010

3Under testing of 72-hours water poof,water inflow is zero.
4Permanent lubrication,long service life(at least 30,000 hours)
Product parameter:

Summary of the roller size:
Standard    Diameter		Length Scope	Idler's Shell Wall Thickness	Bearings Type
mm	lnch	mm	mm	min-max
63.5	2 1/2	150-3500	3.0-3.75	204
76	3	150-3500	3.0-4.0	204 205
89	3 1/3	150-3500	3.0-4.0	204 205
102	4	150-3500	3.5-4.0	204 205 305
108	4 1/4	150-3500	3.5-4.0	204 205 305 306
114	4 1/2	150-3500	3.5-4.5	205 206 305 306
127	5	150-3500	3.5-4.5	204 205 305 306
133	5 1/4	150-3500	3.5-4.5	205 206 207 305 306
140	5 1/2	150-3500	3.5-4.5	205 206 207 305 306
152	6	150-3500	4.0-4.5	205 206 207 305 306 307 308
159	6 1/4	150-3500	4.0-4.5	205 206 207 305 306 307 308
165	6 1/2	150-3500	4.5-6.0	207 305 306 307 308
177.8	7	150-3500	4.5-6.0	207 306 307 308 309
190.7	7 1/2	150-3500	4.5-6.0	207 306 307 308 309
194	7 5/8	150-3500	4.5-6.0	207 307 308 309 310
219	8 5/8	150-3500	4.5-6.0	308 309 310
Note: special specification of supply and demand both sides can be coordinated.