WEBB part description

HUB INFORMATION
Part Number: 12213--ML
Hub Number: 1221
Description: 10 Stud Hub w/11.25 Dia. Bolt Circle. Uses Inboard Drum - (3/4"-16) Shoulder Stud
Hub Material: Cast
Mounting Type: BSN
Drum Type: Inboard
Disc Wheel: Steel/Alum (Dual)
Wheel Stud: 139913
Stud Stand Out: 1.33
ABS Ring: ABS Not Available
Drum Options: 64467F, 62200F, 68891F, 67205F
Drum Type: Inboard
Number of Studs: 10
Bolt Circle: 11.25
Stud Description: 3/4"-16 Shoulder Stud
Outer Bearing Cup: HM212011
Outer Bearing Cone: HM212049
Inner Bearing Cup: 653
Inner Bearing Cone: 663 or 665A
Webb Axle Group: 1
Cup Code: 3
Notes:
This hub designed for dual wheel mounting or single wheels with 1/2" maximum offset. A longer stud standout is not necessary when using Grade 8 inner cap nuts with aluminum disc wheels.
Grease Hubcap Kit: 73655


In business since 1946, Webb® has been a trusted brand for high-quality brake and wheel hub components in the heavy duty transportation industry. The company maintains an extensive catalog of OEM and aftermarket brake drums, brake rotors and calipers, and wheel hubs for Class 6, 7, and 8 trucks and heavy duty trailers. Each Webb product is made of premium materials and engineered for reduced weight without compromising structural strength or balance. All parts are also manufactured using the latest innovations, including advanced wear indicators and cool running vent technology to help minimize wear and make maintenance and repairs easier. Combined with a first-class customer service and after-sales support, customers can count on Webb products to keep their trucks running safely and smoothly for years to come.

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