Additional Information about Clamping Methods

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.

Additional Information about Clamping Methods

A.P. LOCK

Material	Steel	Please refer to “Dimensions / Performance” pages of SAPL-A Series (A.P.Lock) in this catalogue for more details.	View More >
Material	High Strength Aluminum Alloy	Please refer to “Dimensions / Performance” pages of SAPC Series (A.P.Lock) in this catalogue for more details.	View More >

TAPER BUSHING

TAPER BUSHING – I TYPE

Size(mm)							Max. Permissible Torque (N·m)	Max. Permissible Thrust Load (kN)	Screw (Locking bolt)
d	D	D1	D2	d1	L	L1	Max. Permissible Torque (N·m)	Max. Permissible Thrust Load (kN)	Size	Fastening Torque (N·m)
6	22.5	16	8.5	3.3	10.5	3	5.6	1.87	M3x10	1.9
8	24.5	18	10.5	3.3	10.5	3	8.5	2.12	M3x10	1.9
10	29	21	12.75	4.4	13	4	18	3.59	M4x12	3.9
11	30	22	13.75	4.4	13	4	20	3.63	M4x12	3.9
12	31	23	14.75	4.4	13	4	23	3.76	M4x12	3.9
14	36	26	17.65	4.4	17	5	37	5.21	M4x18	3.9
15	37	27	18.65	4.4	17	5	39	5.1	M4x18	3.9
16	38	28	19.65	4.4	17	5	42	5.17	M4x18	3.9
17	39	29	20.65	4.4	17	5	45	5.23	M4x18	3.9
18	40	30	21.85	4.4	17	5	48	5.28	M4x18	3.9
19	42	32	22.85	4.4	17	5	49	5.12	M4x18	3.9
20	46	36	24.1	5.5	19	6	97	9.68	M5x18	7.8
22	47	37	25.75	5.5	19	6	110	9.98	M5x18	7.8
24	49	39	27.75	5.5	19	6	121	10	M5x18	7.8
25	51	41	28.75	5.5	19	6	124	9.9	M5x18	7.8
28	53	43	31.75	5.5	19	6	141	10	M5x18	7.8
30	56	46	33.75	5.5	19	6	149	9.89	M5x18	7.8
32	58	47	35.75	5.5	19	6	163	10.12	M5x18	7.8
35	61	50	39.1	5.5	20	6	173	9.88	M5x18	7.8

TAPER BUSHING (O Type)

Size(mm)							Max. Permissible Torque (N·m)	Max. Permissible Thrust Load (kN)	Screw (Locking bolt)
d	D	D1	D2	d1	L	L1	Max. Permissible Torque (N·m)	Max. Permissible Thrust Load (kN)	Size	Fastening Torque (N·m)
8	25.5	19	10	3.3	15.5	4	16	4	M3x12	2
10	30	22	12	4.5	16.5	5	39	5.34	M4x16	4
11	31	23	13	4.5	16.5	5	43	5.34	M4x16	4
12	32	24	14	4.5	16.5	5	48	5.34	M4x16	4
14	35	27	16.6	4.5	22	6	73	5.34	M4x18	4
15	36	28	17.6	4.5	22	6	78	5.34	M4x18	4
16	37	29	18.6	4.5	23	7	83	5.34	M4x18	4
17	38	30	19.6	4.5	23	7	88	5.34	M4x18	4
18	43	33	20.6	5.5	23	7	154	8.74	M5x20	8.3
19	45	35	22.4	5.5	23	7	163	8.74	M5x20	8.3
20	46	36	23.4	5.5	23	7	171	8.74	M5x20	8.3
22	48	38	24.6	5.5	23	7	186	8.74	M5x20	8.3
24	50	40	26.6	5.5	23	7	206	8.74	M5x20	8.3
25	52	42	28.4	5.5	23	7	216	8.74	M5x20	8.3
28	54	44	30.6	5.5	24	8	353	8.74	M5x25	8.3
30	57	47	33.4	5.5	24	8	382	8.74	M5x25	8.3
32	59	49	34.7	5.5	25	9	412	8.74	M5x25	8.3
35	63	53	38.4	5.5	26.5	9	451	8.74	M5x25	8.3

SIDE-CLAMP (Standard Keyway Information)

Shaft(Bore) Diameter	Keyway Dimension						Nominal Size
Ød	b(mm)				t(mm)		(b x h)
Over ~ To	Mark	No Mark	H	J	Size	Tolerance
Over ~ To	Size	Tol.(E9)	Tol.(H9)	Tol.(Js9)	Size	Tolerance
Ø6(over) ~ Ø8	2	+0.039 +0.014	+0.025 0	±0.0125	1	+0.1 0	2 x 2
Ø8 ~ Ø10	3	+0.039 +0.014	+0.025 0	±0.0125	1.4		3 x 3
Ø10 ~ Ø12	4	+0.05 +0.02	+0.03 0	±0.015	1.8		4 x 4
Ø12 ~ Ø17	5				2.3		5 x 5
Ø17 ~ Ø22	6				2.8		6 x 6
Ø22 ~ Ø30	8	+0.061 +0.025	+0.036 0	±0.018	3.3		8 x 7
Ø30 ~ Ø38	10	+0.061 +0.025	+0.036 0	±0.018		+0.2 0	10 x 8
Ø38 ~ Ø44	12	+0.075 +0.032	+0.043 0	±0.0215			12 x 8
Ø44 ~ Ø50	14				3.8		14 x 9
Ø50 ~ Ø58	16				4.3		16 x 10
Ø58 ~ Ø65	18				4.4		18 x 11
Ø65 ~ Ø75	20	+0.092 +0.04	+0.052 0	±0.026	4.9		20 x 12
Ø75 ~ Ø85	22	+0.092 +0.04	+0.052 0	±0.026	5.4		22 x 14

• The location of keyway on a coupling hub is determined by the standard product design of Sung-il Machinery. If you need a keyway in a different location, please discuss with our Customer Support team in advance.
• If you need to specify the length of keyway (axial direction) or tolerance for height and depth of keyway, please discuss with our Customer Support team in advance.
• Keyways can be processed on SC(Side-clamp) type only. (Not available on SPB, SPA types)