SATP-S3M Series

Timing Pulley

Timing pulley is a part that transmits the rotational power
received from the timing belt to the shaft. Our products provide
sufficient tightening force without additional processing on shafts / pulleys, etc.
and support a variety of shaft fastening methods that are easy to install.

High Strength Aluminum Alloy Timing Pulley

Product Overview
Dimensions / Performance / CAD

SPAA SPAS SPB SC ID□C IDTS

SATP-S3M’s Structure and Material

Clamping Methods		Category	Pulley (Body/Flange)	A.P.LOCK	TAPER BUSHING	Fastening Screw
SPA□	SPAA	Material	High Strength Aluminum Alloy	High Strength Aluminum Alloy	–	SCM435
	SPAA	Surface Treatment	Anodizing (White/Hard)	Anodizing (Hard)	–	Electroless Nickel Plating
	SPAS	Material	High Strength Aluminum Alloy	Steel	–	SCM435
	SPAS	Surface Treatment	Anodizing (White/Hard)	–	–	Black Oxide
SPB		Material	High Strength Aluminum Alloy	–	Steel	SCM435
SPB		Surface Treatment	Anodizing (White)	–	–	Black Oxide
SC		Material	High Strength Aluminum Alloy	–	–	SCM435
SC		Surface Treatment	Anodizing (White)	–	–	Black Oxide
ID□□	IDOC IDTC IDTS	Material	High Strength Aluminum Alloy	–	–	–
ID□□	IDOC IDTC IDTS	Surface Treatment	Anodizing (White/Hard)	–	–	–

Standard Dimensions Range

Clamping Methods		OD (mm)	No. of Tooth (ea)	Belt Width (mm)
SPA□	SPAA	28.65 ~ 57.30	30 ~ 60	10, 15
SPA□	SPAS	32.47 ~ 68.75	34 ~ 72	10, 15
SPB		32.47 ~ 68.75	34 ~ 72	10, 15
SC		22.92 ~ 57.30	24 ~ 60	6, 10
ID□□	IDOC	28.65 ~ 57.30	30 ~ 60	10
	IDTC	38.20 ~ 47.75	40 ~ 50	15
	IDTS	28.65 ~ 57.30	30 ~ 60	10, 15

Clamping Methods

SPAA	A.P.LOCK (High Strength Aluminum Alloy)		○
SPAS	A.P.LOCK(Steel)		○
SPB	TAPER BUSHING		○
SC	SIDE-CLAMP (High Strength Aluminum Alloy)	General	○
SC	SIDE-CLAMP (High Strength Aluminum Alloy)	With Keyway	○
IDOC	IDLER	Center bearing (1pc)	○
IDTC		Center bearing (2pc)	○
IDTS		Both sides bearing (2pcs)	○

How to Order

① Clamping Methods

SPAA: A.P.LOCK(High Strength Aluminum Alloy) Type

SPAS: A.P.LOCK(Steel) Type

SPB: TAPER BUSHING Type

SC: SIDE-CLAMP Type

ID□□: IDLER Type

② Shape

I: Flange part of A.P.Lock and Taper bushing is located inside

O: Flange part of A.P.Lock and Taper bushing is located outside

③ Surface Treatment

HA: Hard Anodizing

WA: White Anodizing

※ For SC clamping type, only white anodizing (WA) surface treatment is available.