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(888) 312-8812 Login SignupThe Bendix Air Brake Spring Brake applies and releases braking force by combining air pressure and mechanical spring action within a single unit. When air pressure is present, internal force allows the brake to disengage for normal vehicle movement. When air pressure is removed, stored spring force activates the braking mechanism automatically. This dual-action behavior allows the brake to function both as a service brake and a parking brake without driver intervention beyond air system control. The chamber reacts directly to air system conditions rather than pedal input. The Bendix K193949 supports controlled braking behavior as air pressure rises and falls within the brake system.
| Brand | EnduraSure |
| Chamber Style | Double Diaphragm |
| Chamber Type / Size | T30/30 |
| Clevis / Yoke Arm Bushing Pin Diameter | .50 In. |
| Clevis / Yoke Arm Link Pin Diameter | .25 In. |
| Clevis / Yoke Pin Spacing | 1.30 In. |
| Clevis / Yoke Style | Welded |
| Height | 44.6 cm |
| Length | 26 cm |
| Maximum Operating Temperature | 175 °F |
| Minimum Operating Temperature | -40 °F |
| Mounting Stud Length | 1.46 In. |
| Parking Port (12) | 3/8-18 NPTF |
| Port Angle | 45° |
| Push Rod Length (to Yoke Pin Center when Applicable) [IN] | 2.25 In. |
| Service Chamber Joint Type | Crimped |
| Service Port (11) | 3/8-18 NPTF |
| Stroke | 3.00 In. |
| Stud Spacing | 4.75 In. |
| Stud Thread Size | 5/8-11 UNC-2A |
| Weight | 8.6 Kg |
| Width | 26 cm |
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A part of the Knorr-Bremse Group, Bendix® provides the automotive and truck parts industry with cutting-edge energy management solutions, active safety technologies, and air brake charging for tractors, buses, commercial vehicles, trailers, as well as medium- and heavy-duty trucks throughout North America. Headquartered in Elyria, Ohio, Bendix Commercial Vehicle Systems employs over 3,200 people who work hand in hand for the accomplishment of the brand's vision: "to become the leading worldwide supplier of active vehicle safety systems within the commercial vehicle industry." This brand takes pride in being the first to introduce many notable parts and technologies to the North American commercial vehicle market. Among these many firsts are the groundbreaking air brake system technologies such as air dryers, air compressors, and ABS. At Bendix, exceeding industry standards is a strict requirement.
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