Durus 312455 SC - 3.125" × 4.5" × 0.5" Oil Seal chain-1 v=1698962755"

v=1698962755"

1208-8M-50 has a 8 mm tooth pitch

so a 258L100 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

The 9/B128 has a 21/32" width

so a 25T5/530US from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Durus 312455 SC - 3.125" × 4.5" × 0.5" Oil Seal chain-1 v=1698962755"Same Shaft Size, Other Options Other Durus seals for 3. 125" shaft diameter with different OD width combinations: 312385 C312403 A312405 SBV312414 AP312414 SA The Durus 312455 SC is a 3. 125" 4. 5" 0. 5" rotary shaft oil seal (Single Lip + Dust Lip (Metal Case)) with NBR (Buna N) sealing lip. Designed for retaining lubricant and excluding contaminants in pumps, gearboxes, motors, agitators, and rotating industrial equipment. Specifications Part Number