Humphreys Hitch and Trailer Parts

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Trailer Hub/Drum 8 Bolt On 6 1/2" Bolt Circle 7.2k Axles
  • 25580 inner/02745 outer bearings
  • Fits Dexter 7,200 lb. axles
  • 9/16" or optional 5/8" studs with cone of flange nuts
  • Standard grease, oil bath or EZ-lube applications
  • February 2000 the brake flange was changed from 9-bolt to 4-bolt, hubs/drums are not interchangable
  • 12 1/4" X 2 1/2" drum
Trailer 7.2k Axle Hub/Drum 8 bolt on 6 1/2 inch Parts Illustration
HUB ASSEMBLIES
PART NO.
REF. NO.
DESCRIPTION
LUB.
STUD
SEAL
8-393-3
Dexter hub/drum only with studs and races
Oil
9/16"
4-Bolt
8-393-3UC3
Dexter complete hub/drum assembly
Oil
9/16"
4-Bolt
8-393-4
Dexter hub/drum only with studs and races
Grease
9/16"
4-Bolt
8-393-4UC3
Dexter complete hub/drum assembly
Grease
9/16"
4-Bolt
8-393-4UC3-EZ
Dexter complete EZ-Lube hub/drum assembly
Grease
9/16"
4-Bolt
8-393-5
Dexter hub/drum only with studs and races
Oil
5/8"
4-Bolt
8-393-5UC3-A
Dexter complete hub/drum assembly
Oil
5/8" Flange Nuts
4-Bolt
8-393-5UC3-B
Dexter complete hub/drum assembly
Oil
5/8" Cone Nuts
4-Bolt
8-393-6
Dexter hub/drum only with studs and races
Grease
5/8"
4-Bolt
8-393-6UC3-A
Dexter complete hub/drum assembly
Grease
5/8" Flange Nuts
4-Bolt
8-393-6UC3-B
Dexter complete hub/drum assembly
Grease
5/8" Cone Nuts
4-Bolt
8-393-6UC3-EZA
Dexter complete EZ-Lube hub/drum assembly
Grease
5/8" Flange Nuts
4-Bolt
8-393-6UC3-EZB
Dexter complete EZ-Lube hub/drum assembly
Grease
5/8" Cone Nuts
4-Bolt
REPLACEMENT PARTS
PART NO.
REF. NO.
DESCRIPTION
ITEM
10-36
Grease Seal, 3.376" OD X 2.25" ID, Double Lip
1
10-63
Oil Seal, Unitized 3.376” OD x 2.250” ID
1
25580
Inner Bearing
2
25520
Inner Race
3
02420
Outer Race
4
02475
Outer Bearing
5
5-57
Spindle washer, D-Style
6
6-176
Spindle Nut, 1"-14 12 Castellation
7
165686
Spindle Nut, 1"-14 6 Castellation
7
165649
Cotter Pin
8
38605
Grease Cap, 2.72" OD, Drive-In
9
21-39
Grease Cap, 2.72" OD, Drive-In Standard Style
9
6-191
Spindle nut for 6-190 retainer (E-Z lube after 2002)
10
6-190
Spindle nut retainer for 6-191 retainer (E-Z lube after 2002)
11
21-43-1
Grease cap, 2.72" OD drive-in for EZ-Lube
12
85-1
Rubber plug for EZ-Lube grease cap
13
RG04-230
Complete Oil Cap Kit
14
7-132
Stud, 9/16" Diameter, Drive-In Style, Idler
15
7-115
Stud, 5/8" Diameter, Drive-In Style, Idler
15
7-223
Stud, 9/16" Diameter, Drive-In Style hub/drum
15
7-224
Stud, 5/8" Diameter, Drive-In Style hub/drum
15
6-53
Wheel Nut, 9/16" Cone Style
16
6-109
Wheel Nut, 5/8" Cone Style
16
95188
Wheel Nut, 5/8" Flanged
NS
46-52
Oil Hub Plug
NS