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Please be informed that our office is closed during the upcoming Labour Day Holiday in 2024. We would also like to inform you that there may be a potential delay in response/shipment from the supplier due to the Japan Golden Week holiday which falls from 29th April to 6th May 2024. Click here for details.
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Keyless Bushing (Fastening Fittings)（Type：Flanged）

An online store for keyless bushings (fastening fittings). In MISUMI's e-catalog, specifications and dimensions such as the shaft hole diameter, allowable torque, main body material, surface processing, boss diameter and delivery date can be selected in single clicks, making it easy to find the desired keyless bushing.

[What is a keyless bushing (fastening fitting)?]
A keyless bushing is a fastener that can fix shafts and hubs (gear, sprocket, pulley, etc.) without key grooving. By tightening the bolt, drag and friction force are generated in the tapered fitting part, causing it to fasten by the resultant force.

21 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less

Recommendation

Keyless Bushings(Mechanical Lock), Straight With Centering Function

MiSUMi Economy

Keyless Bushings(Mechanical Lock), Straight With Centering Function

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 11.60-
Days to Ship:	Same day or more

MechaLock - Standard (Centering Function)

MISUMI

It comes in a wide variety of sizes, materials, and surface treatments, and has a centering function.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 40.18-
Days to Ship:	Same day or more

Keyless bushing A.P.LOCK SAPL-A Series

SUNGIL

[Features]
·Self-centering function: Prevents fine off-centering
·Small diameter difference between inner diameter (d) and outer diameter (D), low surface pressure allows installation on small hubs
·Inner diameter standardized from ⌀5 to ⌀50
·Simple in concept and easy to assemble
·Stainless steel material (vacuum environment) or electroless nickel plating (corrosion prevention) product can be selected depending on the usage environment.

CAD ：: 2D / 3D

Standard Price:	SGD 26.54-
Days to Ship:	4 Day(s) or more

Mechalock MC Series Aluminum Type

ISEL

· 22 models from φ4 to φ35 shaft diameter available as standard
· Supports aluminum timing pulleys (steel is also usable)
· Reduced number of bolts shortens attachment/detachment time
· With a spigot joint on the back, it can also be used as a bearing retainer
· With low surface pressure, it is also ideal for hollow shafts

CAD ：: 2D / 3D

Standard Price:	SGD 42.38-
Days to Ship:	4 Day(s) or more

MechaLock MA Standard Type)

ISEL

[Features]
· 34 models that have shaft diameters standardized from ø5 to ø85.
· Centering function suppresses outer circumference and terminal surface run-out.
· Loose design of slope angle degrees produces a self-locking effect.
· Hub internal diameter can be used with pass-through machining.
· Wide range of hub options with thin walls and low surface pressure

CAD ：: 2D / 3D

Standard Price:	SGD 43.16-
Days to Ship:	Same day or more

POSI LOCK K

MIKI PULLEY

Shaft and mounting parts have a large allowable dimensions clearance, and can be easily aligned and positioned.

CAD ：: 2D / 3D

Standard Price:	SGD 52.33-
Days to Ship:	4 Day(s) or more

Keyless Bushing - Centering Type - SES

Centering type of keyless bushing. Abundant variations to choose from, with allowable torque from 6.2 to 13000N·m. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 2D / 3D

Standard Price:	SGD 42.70-
Days to Ship:	7 Day(s)

Mechanical Lock MSA Rust-proof Standard Stainless Steel Specifications

ISEL

Centering function suppresses outer circumference and terminal surface run-out. Stainless steel specifications.

CAD ：: 2D / 3D

Standard Price:	SGD 109.71-
Days to Ship:	Same day or more

Keyless Bushing A.P.LOCK SAPA Series

SUNGIL

CAD ：: 2D / 3D

Standard Price:	SGD 28.86-
Days to Ship:	9 Day(s) or more

Mechanical lock MB standard high-torque type

ISEL

Centering function suppresses outer circumference and terminal surface run-out. High torque specifications.

[Features]
· 21 models that have shaft diameters standardized from ø25 to ø150.
· High torque transmission specifications.
· With centering function.
· Loose design of slope angle degrees produces a self-locking effect.
· Hub internal diameter can be used with pass-through machining, wide range of options available during design

CAD ：: 2D / 3D

Standard Price:	SGD 116.13-
Days to Ship:	4 Day(s) or more

Keyless bushing A.P.LOCK SAPL-B Series

SUNGIL

[Features]
· Self-centering Capability: Minimal Off-centering Prevention.
·The outer diameter of the cover is larger than that of the SAPL-A type, and the bolt size is larger, which makes it relatively durable compared to the same inner diameter.

CAD ：: 2D

Standard Price:	SGD 35.05-
Days to Ship:	9 Day(s) or more

Mechanical Lock, High Torque Transmission Type

MISUMI

By increasing the bolt size, it has excellent durability and is ideal for mechanisms that require high transmission power.

CAD ：: 2D / 3D

Standard Price:	SGD 80.90-
Days to Ship:	4 Day(s) or more

Mechanical Lock MKA Rust-proof Standard Electroless Nickel Plating Specifications

ISEL

Centering function suppresses outer circumference and terminal surface run-out. Electroless nickel plated product.

CAD ：: 2D / 3D

Standard Price:	SGD 73.09-
Days to Ship:	Same day or more

Keyless Bushing A.P.LOCK SAPL-AS Series

SUNGIL

[Features]
·Self-centering function: Prevents minute off-centering.
·The diameter difference between the inner diameter (d) and the outer diameter (D) is small, and the low surface pressure makes it possible to install even small hubs.
·Standardized inner diameter from ⌀4.5 to ⌀40.
·Simple in concept and easy to assemble.
·Stainless steel material (vacuum environment) or electroless nickel plating (corrosion prevention) can be selected depending on the usage environment.

CAD ：: 2D

Standard Price:	SGD 81.41-
Days to Ship:	9 Day(s) or more

Keyless Bushing - Non-centering Type - SA

Non-centering type of keyless bushing. Abundant variations to choose from, with allowable torque from 250 to 13000N·m. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 2D / 3D

Standard Price:	SGD 45.80-
Days to Ship:	7 Day(s)

Keyless Bushing - Centering Type - SB

Centering type of keyless bushing. Abundant variations to choose from, with allowable torque from 14 to 15000N·m. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 2D / 3D

Standard Price:	SGD 53.50-
Days to Ship:	7 Day(s)

Keyless Bushing - Self-aligning Type - SD

Self-centering type of keyless bushing. Abundant variations to choose from, with allowable torque from 550 to 21300N·m. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 3D

Standard Price:	SGD 48.20-
Days to Ship:	7 Day(s)

Keyless Bushing - Self-aligning Type - SDS

Self-centering type of keyless bushing. Abundant variations to choose from, with allowable torque from 6.2 to 13000N·m. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 3D

Standard Price:	SGD 42.50-
Days to Ship:	7 Day(s)

Keyless Bushing - Self-aligning Type - SK

Brand-name products provided by MISUMI-VONA are offered based on customers' needs that selected from products of Asian manufacturers carefully. Please select an item according to the user's various usage scenes. The SS company manufactures a 20% share of the couplings in Taiwan. The company's are centered on China and Southeast Asia, and is trying to expand both its domestic and foreign shares.

CAD ：: 3D

Standard Price:	SGD 42.30-
Days to Ship:	7 Day(s)

Keyless Bushing A.P.LOCK SAPL-AK Series

SUNGIL

[Features]
·Self-centering function: Prevents minute off-centering.
·The diameter difference between the inner diameter (d) and the outer diameter (D) is small, and the low surface pressure makes it possible to install even small hubs.
·Standardized inner diameter ⌀4.5 to ⌀40.
·Simple in concept and easy to assemble.
·Stainless steel (vacuum environment) or electroless nickel plating (corrosion prevention) products can be selected depending on the operating environment.

CAD ：: 2D / 3D

Standard Price:	SGD 32.51-
Days to Ship:	4 Day(s) or more

Keyless bushing A.P.LOCK SAPC Series

SUNGIL

[Features]
·Aluminum material
At High-Speed Servo Control Positioning, The Moment of Inertia Reduction is an important factor in system performance. The Use of Aluminum A.P.Lock suitable for aluminum pulley enables high-speed use with low inertia.
·Ideal for aluminum pulleys
When driving a servo motor with a timing pulley, there is a slip problem because the conventional friction coupling unit has a high surface pressure and does not fit the hub diameter. However, the SAPC series reduces the number of bolts based on the torque specification of the servo motor, to reduce surface pressure, so that tightening with aluminum pulley is done without any difficulty.
·Finishing structure
Since it is designed to allow the bearing push plate to work, it is not necessary to use a separate bearing push plate.
·Easy positioning of assembly
Conventional power locks require a gap of 1 mm from the counterparts in consideration of disassembly, but the SAPC series has a structure that is easy to disassemble even when there is no hub movement space when disassembled. It is also easy to locate.

CAD ：: 2D / 3D

Standard Price:	SGD 28.86-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Type
Shaft Bore Dia. d(Ø)
Hub Dia.(Ø)
Body Material
Allowable Torque Range(N•m)
Centering
Surface Treatment
Tightening Structure
Tightening Method
Allowable Torque(N•m)

	Recommendation
Brand	MISUMI MiSUMi Economy	MISUMI	SUNGIL	ISEL	ISEL	MIKI PULLEY	SS	ISEL	SUNGIL	ISEL	SUNGIL	MISUMI	ISEL	SUNGIL	SS	SS	SS	SS	SS	SUNGIL	SUNGIL
Product Series	Keyless Bushings(Mechanical Lock), Straight With Centering Function	MechaLock - Standard (Centering Function)	Keyless bushing A.P.LOCK SAPL-A Series	Mechalock MC Series Aluminum Type	MechaLock MA Standard Type)	POSI LOCK K	Keyless Bushing - Centering Type - SES	Mechanical Lock MSA Rust-proof Standard Stainless Steel Specifications	Keyless Bushing A.P.LOCK SAPA Series	Mechanical lock MB standard high-torque type	Keyless bushing A.P.LOCK SAPL-B Series	Mechanical Lock, High Torque Transmission Type	Mechanical Lock MKA Rust-proof Standard Electroless Nickel Plating Specifications	Keyless Bushing A.P.LOCK SAPL-AS Series	Keyless Bushing - Non-centering Type - SA	Keyless Bushing - Centering Type - SB	Keyless Bushing - Self-aligning Type - SD	Keyless Bushing - Self-aligning Type - SDS	Keyless Bushing - Self-aligning Type - SK	Keyless Bushing A.P.LOCK SAPL-AK Series	Keyless bushing A.P.LOCK SAPC Series
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D	2D / 3D	2D / 3D	2D	2D / 3D	2D / 3D	3D	3D	3D	2D / 3D	2D / 3D
Days to Ship	Same day or more	Same day or more	4 Day(s) or more	4 Day(s) or more	Same day or more	4 Day(s) or more	7 Day(s)	Same day or more	9 Day(s) or more	4 Day(s) or more	9 Day(s) or more	4 Day(s) or more	Same day or more	9 Day(s) or more	7 Day(s)	7 Day(s)	7 Day(s)	7 Day(s)	7 Day(s)	4 Day(s) or more	4 Day(s) or more
Type	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged	Flanged
Shaft Bore Dia. d(Ø)	5 ～ 50	5 ～ 70	5 ～ 50	4 ～ 35	5 ～ 70	6 ～ 40	8 ～ 120	8 ～ 50	5 ～ 35	35 ～ 50	8 ～ 30	28 ～ 60	8 ～ 50	5 ～ 40	18 ～ 120	6 ～ 100	20 ～ 120	6 ～ 120	8 ～ 19	5 ～ 50	5 ～ 35
Hub Dia.(Ø)	16 ～ 72	16 ～ 97	16 ～ 72	15 ～ 56	16 ～ 97	12 ～ 53	22 ～ 165	21 ～ 72	16 ～ 57	57 ～ 78	22 ～ 55	47 ～ 88	21 ～ 72	16 ～ 62	47 ～ 165	14 ～ 125	47 ～ 165	19 ～ 165	21 ～ 33	16 ～ 72	16 ～ 56
Body Material	Steel	Steel / Stainless Steel	Steel	Aluminum	Steel	Steel / Stainless Steel	Steel	Stainless Steel	Aluminum	-	Steel	Steel	Steel	Stainless Steel	Steel	Steel	Steel	Steel	Steel	Steel	Aluminum
Allowable Torque Range(N•m)	2.0~20.0 ～ 1000.1~3000.0	2.0~20.0 ～ 3000.1~10000.0	2.0~20.0 ～ 1000.1~3000.0	2.0~20.0 ～ 200.1~300.0	2.0~20.0 ～ 3000.1~10000.0	2.0~20.0 ～ 700.1~1000.0	2.0~20.0 ～ 10000.1~300000.0	20.1~50.0 ～ 700.1~1000.0	2.0~20.0 ～ 500.1~700.0	700.1~1000.0 ～ 1000.1~3000.0	2.0~20.0 ～ 500.1~700.0	300.1~500.0 ～ 1000.1~3000.0	20.1~50.0 ～ 1000.1~3000.0	2.0~20.0 ～ 300.1~500.0	200.1~300.0 ～ 10000.1~300000.0	2.0~20.0 ～ 10000.1~300000.0	500.1~700.0 ～ 10000.1~300000.0	2.0~20.0 ～ 10000.1~300000.0	20.1~50.0 ～ 100.1~150.0	2.0~20.0 ～ 1000.1~3000.0	2.0~20.0 ～ 200.1~300.0
Centering	Provided	Provided	Provided	Provided	Provided	-	Provided	Provided	None	Provided	Provided	Provided	Provided	Provided	None	Provided	Provided	Provided	Provided	Provided	None
Surface Treatment	None	None / Black Oxide / Electroless Nickel Plating	None	Anodize	None	None / Electroless Nickel Plating	None	None	Anodize	None	None	None	Electroless Nickel Plating	None	None	None	None	None	None	Electroless Nickel Plating	Anodize
Tightening Structure	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type	Single Cone Type
Tightening Method	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)	Mechanical Type (Wedge Type)
Allowable Torque(N•m)	10 ～ 1768	2.8 ～ 3400	7 ～ 1500	2 ～ 230	7 ～ 3400	4.7 ～ 720	18 ～ 13000	10.7 ～ 754.3	6 ～ 576	970 ～ 2430	18 ～ 510	490 ～ 2960	16.6 ～ 1362	2.8 ～ 430.6	250 ～ 13000	14 ～ 15000	550 ～ 21300	6.2 ～ 13000	31.4 ～ 120	4.6 ～ 1362	2.5 ～ 230

Configure

Specification/Dimensions

Type
- Flanged
- Straight
- Nut Tightening
- Thin Wall
- Direct Mounting
- Sleeve
Larger Image

Clear

Shaft Bore Dia. d(Ø)
2

4

4.5

5

6

6.35

7

8

08

9

9.525

10

11

12

12.7

13

14

15

16

17

18

19

20

22

24

25

28

30

32

35

36

38

40

42

45

48

50

55

56

60

63

65

70

71

75

80

85

90

95

100

110

120
Drawing

Clear

Hub Dia.(Ø)
8

9

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

50

52

53

54

55

56

57

59

60

62

64

65

67

68

70

72

73

75

77

78

79

80

82

83

84

85

87

88

90

91

95

96

97

101

106

110

114

115

120

124

125

130

134

135

145

155

165
Drawing

Clear

Body Material
- Steel
- Stainless Steel
- Aluminum
Clear

Allowable Torque Range(N•m)
2.0~20.0

20.1~50.0

50.1~70.0

70.1~100.0

100.1~150.0

150.1~200.0

200.1~300.0

300.1~500.0

500.1~700.0

700.1~1000.0

1000.1~3000.0

3000.1~10000.0

10000.1~300000.0
Clear

Centering
- Provided
- None
Clear

Surface Treatment
- None
- Black Oxide
- Electroless Nickel Plating
- Anodize
Clear

Tightening Structure
- Single Cone Type
- Double Cone Type
- Tapered Sleeve Type
Images

Clear

Tightening Method
- Mechanical Type (Wedge Type)
Images

Clear

Allowable Torque(N•m)
2

2.2

2.5

2.8

3

4

4.2

4.6

4.7

4.9

5

5.4

5.6

5.9

6

6.2

6.8

6.9

7

7.8

8

8.5

9

10

10.7

11

12

12.7

13

14

14.7

15

16

16.6

17

18

19

19.6

20

21

22

22.5

23

24

24.5

25

26

27

28

28.4

29

29.4

30

30.4

31.4

32

32.3

33

34

34.3

36

36.2

37

38

39

39.2

40

41

42

43

44

45

46

46.1

47

48

49

50

50.3

50.9

51.9

52

53

54

54.8

55

56

58

58.8

60

61

62

63

64

65

67

68

69

70

71

73.3

74

75

76

76.4

78

80

80.3

83

85

85.2

87

88

88.3

90

91

92

94

94.1

95

96

97

98

100

101

103

104

105

107

108

110

113

115

120

121

121.6

123

124

125

127

130

131

133.4

136

140

141

142

146.1

149

150

153

157

160

164

165

167

168

169

172

176

180

181

183

184

186

187

192

193

198

200

201

210

213.8

219

220

221

225

229.5

230

232

233

240

244.2

245

247

250

251

252

256

260

262

264

265

270

274

275

279

280

284

285

289

290

291

294

295

299

300

301.1

304

305

308

310

314

315

320

323

324

330

333

335

344

347

350

352

353

360

362

372

378

380

385

390

392

396

400

403

405

409

410

411

412

420

423

428

430

430.6

431

440

452.2

460

461

470

471

484.6

488

490

499

500

504

510

520

523

525

529

530

533

540

548

550

558

563

570

571

576

580

590

600

620

620.9

630

632

650

660

670

676

680

690

696

700

702

720

725

730

731

741

750

754.3

765

770

779

790

800

810

813

820

823

840

850

880

882

883

910

929

930

931

950

960

970

976

980

1000

1010

1019

1020

1060

1061

1070

1110

1117

1138

1140

1180

1193

1200

1300

1310

1362

1392

1400

1451

1460

1500

1512.0

1550

1560

1600

1640

1657

1670

1680

1690

1700

1736

1750

1760

1768

1775

1780

1800

1860

1870

1900

1910

1915.0

1920

1950

1988

2000

2010

2040

2070

2100

2120

2300

2400

2430

2500

2530

2570

2700

2730

2760

2810

2920.0

2960

2990

3000

3050

3090

3200

3380

3400

3460

3600

3700

3800

3820

4100

4200

4220

4500

4640

4800

4900

5000

5060

5100

5150

5160

5300

5510

5600

6050

6400

6500

6600

6700

6880

7100

7940

8000

8400

9100

9200

9600

10100

10200

10600

11000

11100

12000

13000

13500

15000

17500

20000

21300
Clear