China 4'' PCD Trailer Axle Idler Hub Assembly HT250 QT450 4-Bolt for 900kg Axles for sale

4'' PCD Trailer Axle Idler Hub Assembly HT250 QT450 4-Bolt for 900kg Axles

Price Negotiable

Price: Deliberations

MOQ: Deliberations

Delivery Time: 5-8 work days

Brand: Airui

Product Description

4'' PCD Trailer Axle Idler Hub Assembly

Product Overview

High-quality 4-bolt trailer idler hub assembly designed for 900kg trailer axles, available in HT250 and QT450 material grades with multiple surface treatment options.

Key Specifications

Hub Material: HT250 / QT450 cast iron
Surface Treatment: Hot-dip galvanized / painted black / galvanized
Bolt Configuration: 4, 5, 6 stud options
PCD Sizes: 4", 4.25", 4.5", 4.75", 5.5"
Complete assembly includes axle, spindle, brake components, oil seals, and hardware

Component Specifications

Hub	Bearing	Oil Seal	Dust Cap	Wheel Nut
AT01700138A Hub body with 4 x 1/2" bolts & L44610/L44610 bearing race	L44643 & L44643 Inner & outer bearing	AT01700304 I.D. 1.25" Single lip	AC00300601 O.D. 50.5mm drive in	AC00500302A 1/2" cone wheel nut
L44649 & L44649 Inner/outer bearing	AT01700301 I.D. 1.5" single lip	AC00300601 O.D. 50.5mm drive in	AC00500302A 1/2" cone wheel nut
AT01700111 Hub body with 4 x 7/16" bolts & LM67010/LM11910 bearing race	LM67048 & LM11949 Inner/outer bearing	AC00900500 I.D. 36.5mm single lip	AC00500405 O.D. 45.4mm drive in	AT01600600 7/16" cone wheel nut
ZVT01700131 EU type hub body with 4 x 3/8" bolts & L44610/L44610 bearing race	L44643 inner bearing and L44643L outer bearing	AC00300601 O.D. 50.5mm drive in	AT01700133 3/8" cone wheel nut

4 inch PCD trailer axle idler hub assembly showing complete component structure

Detailed view of trailer hub assembly with bearing and seal components

Manufacturing Excellence

Sino-US joint venture manufacturing with AXLE TEKNOLOGY LLC, a leading American trailer axle company
Proven track record with over 1,000,000 brake assemblies sold in 2012
Quality certifications: CSA, ISO9001/TS16949
Comprehensive brake assembly sizes: 7", 9", 10", 11", 12", 12 1/4"
Complete production capabilities with advanced detection equipment and strong technical expertise