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we can offer labyrinth seal ,bear housing bearing stand ,water-proof labyrinth seals - details see: https://www.machineto.com/offer-new-type-idler-fitting-labyrinth-seal-305-10062274

Labyrinth seals

1) idler labyrinth seals
2) Dia(mm):89,108,114,133,159
3) Bearing No. : 6204/6205
4) Belt width:B800/B1000.

bearing housing /labyrnth seal

Roller D	89		108			133		159		194		219
Bearing	6204	6205	6204	6205	6205		6306		6307		6308
Type	89*6204	89*6205	108*6204	108*6204	133*6205		159*6306		194*6307		219*6308

(a) Shaft: Dia.20mm/25mm/30mm in bright drawn steel material
(b) Shaft end: Be chamfered as 15mm and machined simultaneously
(c) Bearing: Single and double row deep groove ball bearing 2RZ and 2Z with C3 clearance
(d) Rubber: Heat vulcanization rubber. Wear resistant, anti-fire
(e) Labyrinth Seals: Multi-labyrinth seals and outboard circlip as retention cap
(f) Lubrication: Grease is lithium soap type grease with rust inhibitors
(g) Welding: Mixed gas shielded arc welding end
(h) Save costs of conveyor belt on maintenance as concentric design that decreases vibration

We can support series of conveyor idler(roller)/pulley/bearing housing with labyrinth seals!

We will quote to you as your specific information or as drawing.