Wednesday, October 12, 2005

Bearings, Front Wheel Info

Bearing Type:

Japan NSK 542 6907DU or DDU


This is a 6900 series bearing which makes it a "single row ball bearing - thin section" with the 7 representing "7 multiples of 5mm" or having a 35mm inside diameter.

The DU designates a "single seal", or in other words, one side has a seal, the other does not. A DDU would designate "double seal", meaning both sides a have seal. Based on different findings it appears that the factory have used both types in production with the "double seal" type being the preferred choice.

Note that seal designations vary based on manufacturer.

Seals explained:

http://www.ntnamerica.com/Engineering/PDFs/A1000/A1000_Interchange.pdf


Most local bearing suppliers listed in your phone book should carry this part but here are some sources anyway:


US Sources:
(courtesy of James Corell)

vxb.com


UK Sources:
(courtesy of Phil Wood)

SMB Bearings,
Unit 8, West Oxon Ind Park,
Brize Norton, Oxon,
OX18 3YJ,
United Kingdom.tel: +44 (0)1993 842555fax: +44(0)1993 842666email: sales@smbbearings.com

2 Pcs 6907 2RS EZO Japan £ 9.05 Ex Stock
SMB China £ 2.81 Ex Stock


Or


Midland Bearings Ltd
Unit 33 Second Avenue
Pensnett Trading Estate
Kingswinford
West Midlands
ENGLAND
DY6 7PP

Phone: 01384 841400
Fax: 01384 841450
email: websales@MidlandBearings.com

69072RS
£5.00 each net post and packing £2.50

Or:

Redhill Bearings Ltd
The White House
Brighton Road
Handcross
West Sussex
RH17 6BZ

Tel: 01444 400900
Fax: 01444 400753
6907 2RS, £12.50 each, p+p £1


TGM, JC

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