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Knott E Series Hub 4″ PCD 44649 32004 Taper Roller Bearings
Our Part Number – HUBARE44
Manufacturer’s Part Number – HUBAE002
This is an E Series unbraked trailer hub.
The hub comes complete with the following;
- 44649 Bearing fitted in the Hub
- 32004 Bearing fitted in the Hub
- M20 Castellated Hub Nut
- 47mm Hub Cap
- 38528 Rear Bearing Seal
- 3/8″ Conical Wheel Nuts
- 3/8″ Wheel Studs
This Hub has a 4×4″ PCD measurement.
Hub Depth – 77mm.
Will fit wheels with a 4″ PCD, with or without a cut out for a grease nipple.
Knott E Series Hub 4″ PCD 44649 32004 Taper Roller Bearings – Technical Information
| Wheel Bearing Specifications – 44649 | ||
| Internal Diameter | Overall Diameter | Width |
| 26.99mm | 50.29mm | 14.22mm |
| Wheel Bearing Specifications – 32004 | ||
| Internal Diameter | Overall Diameter | Width |
| 20mm | 42mm | 15mm |
| Wheel Bearing Seal Specifications – 38528 | ||
| Internal Diameter | Overall Diameter | Width |
| 38mm | 52mm | 8mm |
The Outer Races of the Bearings come already pressed into the hub.
Fitting these bearings –
- Firstly, start by thoroughly greasing the inner bearing. Use your hand for best results.
- Next, slide the bearing onto the shaft making sure it is firmly pushed back. At this point be sure that the black seal is facing inwards.
- Then, grease the inside of the hub and the outer bearing.
- Re insert the outer bearing into the drum, tapered edge facing outwards
- Finally, slide the drum onto the shaft.
If you need wheel bearing grease, follow the link below;
Trailer Wheel Bearing Grease
For more information on replacing / fitting trailer wheel bearings, please follow the link below;
Trailer Wheel Bearing Replacement Guide
however, if you are unsure or require technical guidance, please call our team on 01909 473749.
If you require any spares for this hub, please see the links below;
1. 3/8″ Wheel Nuts
2/4/7/8. Knott Bearing Kit with Seal & SPlit Pin
3.M20 Castellated Hub Nut
5. Replacement 47mm Hub Cap
6. 3/8″ Wheel Studs
To view our full range of unbraked wheel hubs, please
Click Here
For more information on replacing / fitting trailer wheel bearings, please follow the link below;
Trailer Wheel Bearing Replacement Guide
however, if you are unsure or require technical guidance, please call our team on 01909 473749.
If you require any guidance with building a trailer, then please follow the links below;
IVA Manual
Type Approval
Building a Trailer
