QD ® Coupling
TAPER-LOCK ® Coupling
• QD ® Couplings Coupling
Max. Torque
Max. Bore*
Coupling
Wt.
Number 4016JA 5018SH 6020SK 8018SF
Bushing (in lbs. unit)
A 2
B
C
D
L
O.D.
K**
Lbs.***
JA SH SK SF
1000 3500 7000
1
7 ⁄
9 ⁄
1
5 ⁄
2
29 ⁄
3 4
1 ⁄ 3 ⁄
1 1 2 2
1 ⁄ 3 ⁄
.90
8
32
16
32
32
4
1 3 ⁄ 2 1 ⁄
2
31 ⁄
1
3 ⁄
1 1 2
1 ⁄ 7 ⁄ 3 ⁄
3
3 ⁄
1.30 2.50 5.30
8
32
8
2
8
16
4
3
7 ⁄
1 1
1 ⁄ 3 ⁄
7 ⁄
4
3 ⁄
5
1 ⁄
1 ⁄ 1 ⁄
8
8
4
16
8
16
2
4
2 5 ⁄
4
9 ⁄
37 ⁄
5
21 ⁄
6
21 ⁄
11,000
16
16
4
64
8
64
32
4
*Maximum bore indicated is the maximum bore suggested with standard keyway. **K dimension reflects the minimum clearance to remove the coupling half by using the screws as jack screws. ***Approximate weight of coupling half with bushing.
• TAPER-LOCK ® Couplings Type “TLH” Type “TLF” Max.
Bushing Data
Coupling Number
Coupling Torque Bushing Number (in lbs.unit) Used
Max. Bore
Min. Bore
Coupling
Wt.
A
B
C
J*
K**
L
O.D.
Lbs.***
4016TLH 4016TLF 5018TLH 5018TLF 6020TLH 6020TLF
1300 1108 4300 1610 7150 2012
1 1 ⁄ 1 5 ⁄
1 ⁄ 1 ⁄ 1 ⁄
1 2
31 ⁄ 31 ⁄
7 ⁄
9 ⁄
5 ⁄
3 ⁄
2
1 ⁄
3 4 5
1 ⁄ 3 ⁄
.90
8
2
32
8
32
8
4
32
32
1
3 ⁄
13 ⁄ 15 ⁄
1
1 ⁄
2
3 ⁄
1.10 2.70 6.10
8
2
32
8
16
16
8
16
2 3
3 5
7 ⁄ 3 ⁄
1
1 ⁄
7 ⁄
1
3 ⁄
2 4
15 ⁄ 37 ⁄
1 ⁄
2
8
4
16
16
8
16
2
8020TLH 8020TLF 24,000 3020 10020TLH 10020TLF 44,800 3535
1 5 ⁄
2
37 ⁄ 23 ⁄
1
3 ⁄
2
1 ⁄
7
19 ⁄
16
8
64
16
16
64
64
3 1 ⁄
1
3 ⁄
6
23 ⁄
3
1 ⁄
2
2
5 ⁄
7
23 ⁄
9
1 ⁄
19.00
2
16
32
2
32
8
32
8
NOTE: For H type TAPER-LOCK bushing installs from the hub side of the flange. For F type TAPER-LOCK bushing installs from the face side. *Space required to tighten bushing with shortened hex key. Space is also required to loosen screws to permit the removal of the hub by the puller. **Space required to loosen bushing with shortened hex key using screws as jack screws. No puller is required. ***Approximate weight of coupling half with bushing.
QD ® is a registered trademark of and is used under license from Emerson Electric Company. TAPER-LOCK ® is a registered trademark of Reliance Electric Company.
Lubrication Choose one of the following lubrication systems when using Roller Chain Couplings. The choice depends upon the operating speed. (Refer to the Horsepower Ratings, Table 2, pg.3.) Use NLGI grade 1 or 2 grease.
Lubrication System 1 Apply grease regularly once per month.
Lubrication System 2 Apply grease regularly once a week, or install a coupling cover filled with grease.
Lubrication System 3 Install a coupling cover filled with grease. Change the grease according to Table 4.
The amount of grease to apply is shown in Table 3. If these amounts are followed, there will be a slight amount of leakage at the beginning of the operation, but this will soon stop.
For System 3, it is especially important to use high-grade grease. Because of centrifugal force, there is a tendency for the grease to stick to the inner surface of the cover, resulting in inadequate lubrication.
Table 4. Grease Change Interval for use with Coupling Cover
Table 3. Amount of Grease to Apply
Interval after first change 2,000 hours 4,000 hours
Coupling Cover Size Amount (lb) 40 Cover .16 50 Cover .32 60 Cover .71 80 Cover 1.41 100 Cover 3.00
Operating Conditions More than 1/2 max. speed Less than 1/2 max. speed
First change 1,000 hours 2,000 hours
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