Johnson 4800 Series Pneumatic Air Operated Disc Brakes - Duke Electric

Johnson 4800 Series Pneumatic Air Operated Disc Brakes

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The Johnson pneumatic disc brake is currently available in 10 models. Foot or side-mounted, this robust brake unit made of steel and ductile iron features non-asbestos linings to suit application requirements, aluminum shoes, solid or ventilated discs made of carbon or stainless steel and a choice of cast iron or non-ferrous, actuation that is either spring or hydraulic set/release, single or double actuator offset to either side of the disc, and a mechanism that is either free-floating when set and self-centering when released. This air operated disc brake is used for applications such as hoists, winches, conveyers, drives and processing machines.

Options

  • special alloys
  • coatings
  • controls
  • custom mountings

Pneumatic / Air Brake Model Data – 800 to T5800 Series Caliper Disc Brakes

CALIPER
SERIES		 DISC
THICK.		 MIN.
DIA. “D”		 MAX.
DIA. “D”		 SWEPT
FACE “F”		 MAX. APPLIED
FORCE “AF”		 TORQUE DYNAMIC
MIN. DISC DIA.		 TORQUE DYNAMIC
MAX. DISC DIA.		 MAX. WEIGHT
in
(mm)		 in
(mm)		 in
(mm)		 in
(mm)		 lb
(N)		 lb.ft
(Nm)		 lb.ft
(Nm)		 lb
(kg)
800
1000		 0.75
(19)		 15
(380)		 75
(1905)		 2.56
(65)		 6400
(28500)		 1670
(2260)		 9670
(13100)		 47
(21)
1800
2000		 1.25
(32)		 25
(635)		 85
(2160)		 3.38
(87)		 19600
(87200)		 5770
(7820)		 21800
(29500)		 106
(48)
1800X
2000X		 1.25
(32)		 25
(635)		 85
(2160)		 3.38
(87)		 29400
(131100)		 5770
(7820)		 21800
(29500)		 106
(48)
2800
3000		 1.75
(44)		 30
(760)		 90
(2286)		 5.00
(127)		 19200
(85400)		 10000
(13600)		 34000
(46100)		 225
(102)
2800X
3000X		 1.0
(25)		 30
(760)		 90
(2286)		 5.00
(127)		 28800
(128000)		 15000
(20300)		 51000
(69200)		 225
(102)
3800
4000		 2.0
(50)		 35
(890)		 95
(2413)		 6.13
(156)		 38400
(171000)		 23200
(31200)		 71200
(96500)		 494
(225)
3800X
4000X		 1.0
(25)		 35
(890)		 95
(2413)		 6.13
(156)		 57600
(256000)		 34800
(46800)		 107000
(145000)		 494
(225)
4800
5000		 1.0
(25)		 30
(762)		 90
(2286)		 6.00
(152)		 39100
(174000)		 19600
(26500)		 68500
(92900)		 327
(149)
5800
6000		 1.0
(25)		 40
(1016)		 100
(2540)		 7.13
(181)		 78300
(348000)		 53600
(72700)		 151000
(205000)		 754
(343)
T5800 1.0
(25)		 40
(1016)		 100
(2540)		 7.13
(181)		 157000
(698400)		 108000
(145000)		 303000
(411000)		 1375
(625)

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]Nm or [(AF x 0.4 (D-F)) / 24]Lbft
(1) For discs outside the range, please call 1-888-547-DUKE (3853)

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