STL Taper Bushings

Range of product:

ANSI:(G/H/P1/P2/P3/B/Q1/Q2/Q3/R1/R2/U01/U02/U1/U2/W1/W2/Y0)

DIN:(G/H/P1/B/Q1/R1/R2) Inch size product (Apply to ANSI market)

Metric size product (Apply to DIN market)

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Description
Parameter
Related products

Description

STL Taper Bushings are typically designed as structures with cylindrical bore and parallel keyways.They have a tapered outer diameter and are able to fit into the hub section with tapered holes.

Commonly used materials include cast iron and steel, and surface treatments may include black manganese phosphating to improve corrosion resistance and service life.

The bushing has a groove along its length to accommodate the drilling of semi-blind holes and the cutting of semi-threads, creating a parallel key and clamping connection between the shaft and hub sections.

STL Taper Bushings are widely used in a variety of mechanical equipment such as pulleys, sprockets, and other components with welded hubs.They are also commonly used in axle cages and other transmission components in the HVAC industry.

Parameter

Product range：

Standards	Series Type	SizeRange
ANSI	G	Type1,3/8”-15/16”,Type2,1”
	H	Type1,3/8”-13/8”,Type2,17/16”-11/2”
	P1	Type1,1/2”-17/16”,Type2,11/2”-13/4”
	P2	Type1,3/4”-17/16”,Type2,11/2”-13/4”
	P3	Type1,11/8”-1 3/8”,Type2,15/8”
	B	Type1,11/2”-1 5/16”,Type2,2”-27/16”
	Q1	Type1,3/4”-2 1/16”,Type2,11/8”-211/16”
	Q2	Type1,1”-2 1/16”,Type2,21/8”-25/8”
	Q3	Type1,13/8”-2 1/16”,Type2,21/8”-21/2”
	R1	Type1,11/8”-2 13/16”,Type2,27/8”-33/4”
	R2	Type1,11/8”-2 13/16”,Type2,27/8”-35/8”
	S1	Type1,111/16”-3 3/16”,Type2,31/4”-41/4”
	S2	Type1,17/8”-3 3/16”,Type2,3 1/4”-43/16”
	U01	Type1,2 3/8”-31/16”
	U02	Type1,31/4”-41/4”,Type2,43/8”-51/2”
	U1	Type1,23/8”-41/4”,Type2,43/8”-51/2”
	U2	Type1,27/16”-41/4”,Type2,43/8”-5”
	W1	Type1,33/8”-63/16”,Type2,61/4”-77/16”
	W2	Type1,33/8”-63/16”,Type2,61/4”-77/16”
	Y0	Type1,6”-715/16”,Type2,8”-10”
DIN	G	10-25
	H	10-38
	P1	14-42
	B	15-60
	Q1	18-65
	R1	28-95
	R2	35-90

STL Taper Bushings G-H

stl taper bushings504-2

Type1

Part No.

Dimensions

Type 1
Bore Range

Cap Screws

Av.
Wt. Lbs.

Wrench Torque
In. -Lbs.

No.

Size

Large End

Small End

G
H

1"
11/4

1/4"
1/4

3/4"
1

1.172"
1.625

1.133"
1.570

2"
21/2

19/16"
2

-
-

5/8"
7/8

3/16"
3/16

1/8"
1/8

3/16"
3/16

3/8"-15/16"
3/8- 13/8

2
2

1/4" x5/8"
1/4x3/4

0.5
0.8

95
95

Type2

Part No.

Dimensions

Type 2
Bore Range

Cap Screws

Av. Wt. Lbs.

Wrench Torque
In. -Lbs.

No.

Size

Large End

Small End

G
H

1"
11/4

1/4"
1/4

3/4"
1

1.172"
1.625

1.133"
1.570

2"
21/2

19/16"
2

5/8*
7/8

3/16*
3/16

1/8"
1/8

3/16"
3/16

1"
17/16-11/2

2
2

1/4"x 5/8"
1/4x3/4

0.5
0.8

95
95

STL Taper Bushings P-R

stl taper bushings504-3

Type1

Part No.

Dimensions

Type 1
Bore Range

Cap Screws

Av.
Wt. Lbs.

Wrench Torque
In. -Lbs.

No.

Size

Large End

Small End

P1
P2
P3
B
Q1
Q2
Q3
R1
R2

115/16
215/16
47/16
115/16
21/2
31/2
5
27/8
47/8

13/32
13/32
13/32
1/2
17/32
17/32
17/32
5/8
5/8

117/32
217/32
41/32
17/16
131/32
231/32
415/32
21/4
41/4

1.9375
1.9375
1.9375
2.625
2.875
2.875
2.875
4.000
4.000

1.8555
1.7930
1.6993
2.5567
2.7657
2.7032
2.6094
3.8750
3.7500

3"
3"
3"
311/16
41/8
41/8
41/8
53/8
53/8

27/16
27/16
27/16
31/8
33/8
33/8
33/8
45/8
45/8

3/8"
3/8
3/8
1/2
1/2
1/2
1/2
3/4
3/4

15/16
25/16
313/16
13/16
13/4
23/4
41/4
2"
4"

7/32
7/32
7/32
7/32
7/32
7/32
7/32
1/4
1/4

7/32
7/32
7/32
1/4
7/32
7/32
7/32
1/4
1/4

1/4
1/4
1/4
1/4
9/32
9/32
9/32
9/32
9/32

1/2-17/16
3/4- 17/16
11/8-13/8
1/21 -15/16
3/4-21/16
1"-21/16
13/8-21/16
11/8-213/16
13/8-213/16

3
3
3
3
3
3
3
3
3

5/16x1
5/16x 1
5/16x1
5/16x11/4
3/8x11/4
3/8x11/4
3/8x11/4
3/8x13/4
3/8x13/4

1.3
1.5
2
1.8
3.5
4.5
5.5
7.5
11

192
192
192
192
348
348
348
348
348

Type2

Part No.

Dimensions

Type 2
Bore Range

Cap Screws

Av.
Wt. Lbs.

Wrench Torque
In. -Lbs.

No.

Size

Large End

Small End

P1
P2
P3
B
Q1
Q2
Q3
R1
R2

115/16
215/16
47/16
115/16
21/2
31/2
5
27/8
47/8

13/32
13/32
13/32
1/2
17/32
17/32
17/32
5/8
5/8

117/32
217/32
41/32
17/16
131/32
231/32
415/32
21/4
41/4

1.9375
1.9375
1.9375
2.625
2.875
2.875
2.875
4.000
4.000

1.8555
1.7930
1.6993
2.5567
2.7657
2.7032
2.6094
3.8750
3.7500

3
3
3
311/16
41/8
41/8
41/8
53/8
53/8

27/16
27/16
27/16
31/8
33/8
33/8
33/8
45/8
45/8

3/8"
3/8
3/8
1/2
1/2
1/2
1/2
3/4
3/4

15/16
25/16
313/16
13/16
13/4
23/4
41/4
2
4

7/32
7/32
7/32
7/32
7/32
7/32
7/32
1/4
1/4

7/32
7/32
7/32
1/4
7/32
7/32
7/32
1/4
1/4

1/4
1/4
1/4
1/4
9/32
9/32
9/32
9/32
9/32

11/2- 13/4
11/2- 13/4
15/8
2-27/16
21/8-211/16
21/8-25/8
21/8-21/2
27/8-33/4
27/8-35/8

3
3
3
3
3
3
3
3
3

5/16x1
5/16x1
5/16x1
5/16x11/4
3/8x11/4
3/8x11/4
3/8x11/4
3/8x13/4
3/8x13/4

1.3
1.5
2
1.8
3.5
4.5
5.5
7.5
11

192
192
192
192
348
348
348
348
348

STL Taper Bushings S-U

stl taper bushings504-4

Type1

Part No.

Dimensions

Type 1
Bore Range

Cap Screws

Av.
Wt. Lbs.

Wrench Torque
In. -Lbs.

No.

Size

Large End

Small End

43/8

3/4

35/8

4.625

4.4180

63/8

53/8

3/4

35/16

5/16

3/8

111/16 -33/16

1/2x21/4

13.5

840

63/4

3/4

4.625

4.2696

63/8

53/8

3/4

511/16

5/16

3/8

17/8-33/16

1/2x21/4

840

51/4

11/16

43/16

6.000

5.7656

83/8

11/4

33/4

7/16

15/32

23/8-31/16

5/8x 23/4

1680

415/16

3/4

43/16

6.000

5.7656

83/8

11/4

33/4

7/16

15/32

31/4-41/4

5/8x 23/4

1680

71/8

11/16

61/16

6.000

5.6485

83/8

11/4

55/8

7/16

15/32

23/8-41/4

5/8x 23/4

1680

101/8

11/16

91/16

6.000

5.4610

83/8

11/4

85/8

7/16

15/32

27/16-41/4

5/8x 23/4

1680

Type2

Part
No.

Dimensions

Type 2
Bore Range

Cap Screws

Av.
Wt. Lbs.

Wrench Torque
ln. -Lbs.

No.

Size

Large End

Small End

43/8

3/4

35/8

4.625

4.4180

63/8

53/8

3/4

35/16

5/16

3/8

31/4-41/4

1/2x21/4

13.5

840

63/4

3/4

4. 625

4.2696

63/8

53/8

3/4

511/16

5/16

3/8

31/4-43/16

1/2x21/4

840

51/4

11/16

43/16

6.000

5.7656

83/8

11/4

33/4

7/16

15/32

5/8x23/4

1680

415/16

3/4

43/16

6.000

5.7656

83/8

11/4

33/4

7/16

15/32

43/8-51/2

5/8x23/4

1680

71/8

11/16

61/16

6.000

5.6485

83/8

11/4

55/8

7/16

15/32

43/8-51/2

5/8x23/4

1680

101/8

11/16

91/16

6.000

5.4610

83/8

11/4

85/8

7/16

15/32

43/8-5

5/8x23/4

1680

STL Taper Bushings W-Y

stl taper bushings504-5

Type1

Part No.

Dimensions

Type 1
Bore Range

Cap Screws

Av. Wt. Lbs.

Wrench Torque
ln. -Lbs.

No.

Size

Large End

Small End

W1
W2
Y0*

81/4
111/4
111/8

17/16
17/16
2"

613/16
913/16
91/8

8.500
8.500
12.000

8.1016
7.9141
11.4688

121/2
121/2
161/2

10"
10"
141/2

11/4
11/4
2

63/8
93/8
81/2

7/16
7/16
5/8

9/16
9/16
5/8

33/8 - 63/16
33/8 - 63/16
6-715/16

4
4
4

3/4x3
3/4x3
1x5

104
133
270

3000
3000
7200

Type2

Part No.

Dimensions

Type 2
Bore Range

Cap Screws

Av. Wt. Lbs.

Wrench Torque
ln. -Lbs.

No.

Size

Large End

Small End

W1
W2
Y0*

81/4
111/4
111/8

17/16
17/16
2

613/16
913/16
91/8

8.500
8.500
12.000

8.1016
7.9141
11.4688

121/2
121/2
161/2

10
10
141/2

11/4
11/4
2

63/8
93/8
81/2

7/16
7/16
5/8

9/16
9/16
5/8

61/4- 77/16
61/4- 77/16
8-10

4
4
4

3/4x3
3/4x3
1x5

104
133
270

3000
3000
7200

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