Imao’s sprockets are available from a wide variety of materials and sizes.
SIS-UU: Steel Idle Sprockets with Sealed Bearing
・ Heavy-duty
・ Stable rotation with moulded-in ball bearing
・ Sealed bearing for use in dusty environments
・ Steel body with induction hardened teeth top for high wear resistance
・ Applicable to chain No. 35, 40, 50, 60
・ For 15mm diameter spindles
Use with PID1511 Idler Pins.
Materials:
Sprocket body: S45C Steel, Induction hardened teeth top, Black oxide finish
Bearing: Steel
Datasheet: https://www.imao.co.jp/files/on-cat/pdf/en/sis-uu-e.pdf