Johnson DS Series Direct Spring Hydraulic Disc Brakes
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- Description
- Overview
- Part List
- Models
- Resources
The Johnson hydraulic disc brake is currently available in 12 models. Foot or side-mounted, this brake unit features non-asbestos linings to suit application requirements, solid or ventilated discs made of carbon or stainless steel and a choice of cast iron or non-ferrous, single or double actuator offset to either side of the disc, actuation that is either spring or hydraulic set/release, and a mechanism that is either free-floating when set and self-centering when released. This hydraulic disc brake is used for applications such as hoists, winches, conveyers, drives and processing machines.
Options
- special alloys
- coatings
- controls
- custom mountings
Brake Model Data – 800 to 4000X Series Caliper Disc Brakes
| CALIPER SERIES |
DISC THICK. |
MIN. DIA. “D” |
MAX. DIA. “D” |
SWEPT FACE “F” |
APPLIED FORCE “AF” |
TORQUE DYNAMIC MIN. DISC DIA. |
TORQUE STATIC MIN. DISC DIA. |
TORQUE DYNAMIC 60″/1524mm DIA. |
TORQUE STATIC 60″/1524mm DIA. |
WEIGHT |
|---|---|---|---|---|---|---|---|---|---|---|
| in (mm) |
in (mm) |
in (mm) |
in (mm) |
lb (N) |
lb.ft (Nm) |
lb.ft (Nm) |
lb.ft (Nm) |
lb.ft (Nm) |
lb (kg) |
|
| 800 1000 |
0.75 (19) |
15 (380) |
75 (1905) |
2.56 (65) |
8530 (38000) |
2210 (3000) |
1270 (1720) |
10208 (13860) |
5868 (7960) |
73 (33) |
| 1800 2000 |
1.25 (32) |
25 (635) |
85 (2159) |
3.38 (87) |
19200 (85400) |
8650 (11700) |
4612 (6200) |
22650 (30700) |
12080 (16400) |
130 (59) |
| 1800X 2000X |
1.25 (32) |
25 (635) |
85 (2159) |
3.38 (87) |
29400 (131100) |
13250 (18000) |
10600 (14370) |
34680 (47020) |
27750 (37620) |
130 (59) |
| 2800 3000 |
1.75 (44) |
30 (760) |
90 (2290) |
5.00 (127) |
26650 (119000) |
13900 (18800) |
8000 (10800) |
30500 (41500) |
17600 (23860) |
230 (105) |
| 2800X 3000X |
1.0 (25) |
30 (760) |
90 (2290) |
5.00 (127) |
28800 (128000) |
15000 (20300) |
12000 (16200) |
33000 (44700) |
26400 (35760) |
230 (105) |
| 3800 4000 |
2.0 (50) |
35 (890) |
95 (2413) |
6.13 (156) |
53300 (237000) |
32000 (43500) |
18500 (25100) |
61800 (81000) |
34500 (46800) |
427 (194) |
| 3800X 4000X |
1.0 (25) |
35 (890) |
95 (2413) |
6.13 (156) |
57600 (256000) |
34600 (46900) |
27700 (37500) |
64600 (87500) |
51700 (70000) |
427 (194) |
Brake Model Data – 4800 to 7600 Series Caliper Disc Brakes
| CALIPER SERIES |
DISC THICK. |
MIN. DIA. “D” |
MAX. DIA. “D” |
SWEPT FACE “F” |
APPLIED FORCE “AF” |
TORQUE DYNAMIC MIN. DISC DIA. |
TORQUE STATIC MIN. DISC DIA. |
TORQUE DYNAMIC 100″/2540mm DIA. |
TORQUE STATIC 100″/2540mm DIA. |
WEIGHT |
|---|---|---|---|---|---|---|---|---|---|---|
| in (mm) |
in (mm) |
in (mm) |
in (mm) |
lb (N) |
lb.ft (Nm) |
lb.ft (Nm) |
lb.ft (Nm) |
lb.ft (Nm) |
lb (kg) |
|
| 4800 5000 |
1.0 (25) |
30 (762) |
100 (2540) |
6.00 (152) |
39100 (174000) |
19600 (265000) |
15600 (21200) |
75700 (103900) |
61300 (83100) |
332 (151) |
| 5800 6000 |
1.0 (25) |
40 (1016) |
100 (2540) |
7.13 (181) |
78300 (348300) |
53600 (72700) |
42900 (58200) |
151500 (205400) |
121200 (164300) |
764 (347) |
| T5800 | 1.0 (25) |
40 (1016) |
100 (2540) |
7.13 (181) |
157000 (698400) |
107500 (145800) |
86000 (116300) |
303800 (410800) |
243000 (329500) |
1395 (634) |
| 7200 7400 |
1.25 (32) |
60 (1524) |
100 (2540) |
8.5 (216) |
117600 (523100) |
126200 (171100) |
101000 (136800) |
224200 (303900) |
179300 (243100) |
1680 (764) |
| 7600 | 1.25 (32) |
60 (1524) |
100 (2540) |
8.50 (216) |
235200 (1046200) |
252300 (342100) |
202000 (273700) |
448300 (607800) |
358700 (486300) |
2580 (1173) |
Dynamic Torque is calculated by:
[(AF x 0.5 (D-F)) / 2000]Nm or [(AF x 0.5 (D-F)) / 24]Lbft
(1) For discs outside the range, please call 1-888-547-DUKE (3853)
Static Torque is calculated by:
[(AF x 0.4 (D-F)) / 2000]KNm or [(AF x 0.4 (D-F)) / 24]Lbft
(1) For discs outside the range, please call 1-888-547-DUKE (3853)