Bearing

- Crooked splice, belt out of square

- Material build up on pulley

- Off center loading

- Improper crown or pulley

- Damaged belt

- Uneven moisture absorption in belt from storage

- Cambered belt

- Fasteners not properly

- Belt too tight

- Under belted

- Belt speed too high

- Poor tracking (see above)

- Pulley too small for belt

- Poor Splice

- Belt hitting return idlers

- Poor tracking of belt

- Product overload

- Product or environment attacking belt

- Pulleys too small

- Belt/conveyor misaligned

- V-guide and pulley grooves do not match

- Temperature too high or too low

- Chemical attack

- Improper slack side tension or overall tension

- Suction of belt or slider bed

- Too low of drive horsepower

- Too high of co-efficient of belt to conveyor

- Material jammed in chute

- Exposure to heat or oil

- Belt slipping on drive

- Rough or worn slider bed or pulleys

- Material build up on pulleys