Description
AIR DISC ROTOR – BENDIX ADB22 (UL-STYLE, 138MM PILOT)
PART NUMBER(S):
Fleet Products: FP802081 | Automann: 153.1802081, 153.180573, Meritor (M44D76618) / Bendix (802081, K038573) / Durabrake (76618) / WABCO (ATR430138220, SSR901)
DESCRIPTION:
Model: Bendix ADB22 / ADB22X / ADB22X-LT, Knorr-Bendix SK7
Vehicles: Front-FL Century & Columbia 2010 to present, FL, Mack, Volvo Front and trailers equipped with Bendix ADB22X calipers
• Outside Diameter: 430 mm (16.875")
• Rotor Thickness: 45 mm (new), 37 mm (min discard)
• Overall Depth: 138.3 mm (5.44")
• Pilot Diameter: 138 mm (5.43")
• Bolt Circle Diameter: 249.5 mm (9.842")
• Bolt Hole Specs: 10 holes, 5/8"-11 (UNC thread)
• Weight: 33.8 kg / 74.5 lbs
• Disc Brake Shape: UL-Style (U-shape)
• ABS Tone Ring: Not included (non-ABS configuration)
• Mounting Style: Inboard / behind-hub
Applications:
Used on tractors and trailers fitted with Bendix ADB22X calipers and 138 mm pilot hubs. Suitable for highway and line-haul operations. For use on steer, drive, or trailer axles as specified. Compatible with both standard and LT-series Bendix air disc brake systems. Not suitable for Meritor, WABCO, or Knorr-Bremse platforms. Recommended Calipers Fitment: FPK012341WC-G, FPK012342WC-G, FPK081142WC-G, FPK081143WC-G, FPK081256WC-G, FPK081257WC-G, FPK109957WCX, FPK109958WCX, FPK109961WCX, FPK109962WCX, FPK802984WC-G, FPK802985WC-G, FPK113887WCX, FPK113888WCX, Pads Part Number: PE1369HK
CROSS-REFERENCE(S):
802081, BW802081, K038573, M44D76618, 745-802081, M44D802081, 10016360, 153.1802081, 153.180573, Meritor (M44D76618) / Bendix (802081, K038573) / Durabrake (76618) / WABCO (ATR430138220, SSR901), 10016360, 1531802081, 56096P, 745-K038573, 745K038573, 76618, 76AR618G, 802081, ADR1010, ADR180407, BR17D101, BWK038573, BXK038573, K000758, K038573, M44D76618, M44D802081, OTR76618, OTR86719, SSR901, 153.1802081, 1531802081, 802081, BW 802081, BW802081, K038573, 76AR618G, 321801315ES, M44D76618, TWDBEN802081, BEN802081, BAN802081, BX802081, ZAC802081, 802081BXW, G0796618000, 1802081, 2131REM, 76618, K000758, K038573, KO38573, 125803, RH005, M44D76618, 56096, 56096P
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Install only with Bendix ADB22X or ADB22X-LT caliper assemblies
✔ Use with 138 mm pilot hubs and 10-hole, 249.5 mm bolt pattern only
✔ Torque rotor fasteners using a star pattern to OEM torque specs
✔ Never install with ABS sensors unless tone ring is confirmed present
✔ Ensure rotor is above 37 mm discard thickness before use
✔ Maintain ≤0.05 mm runout to prevent vibration and uneven pad wear
✔ Bedding: Perform 10 moderate stops from 30 mph to 0 mph at 0.4g deceleration
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