NTN 6904 LLU 20x37x9 61904 Fully Contacting Seal [GENUINE BEARING]

£10.50
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SKU
NTN6904LLU20x37x9
NTN 6904 LLU 20x37x9 61904 Fully Contacting Seal [GENUINE BEARING] Genuine Bearing,
  • CN normal clearance
  • P6/P6 tolerances on inner and outer rings
  • Teflon impregnated grease
  • Metal caged
  • Premium Tier 1 supplier
  • Most sizes are made in Japan, smaller sizes are made in Taiwan

NTN Corporation (Niwa, Tomoe, Nishizono) are one of the largest exporters of bearings and friction reducing products in Japan, their bearings are found in many items such as Cars, Motorbikes and Jet engines. NTN are an OEM supplier to Shimano, Mavic, Time and Look in the bicycle industry. NTN supply Rolls-Royce, General Electric, Pratt and Witney with bearings for Jet Engines.

NTN bearings have highly engineered seals that have been incrementally improved over time. Their fully sealed and ultra low friction seals have the lowest friction values in their respective categories. These bearings are the preferred brand for Hambini Bottom Brackets.

These bearings are genuine NTN bearings sourced from NTN-SNR in the UK. They are not counterfeit or B grade stock.

Hambini is the largest supplier of NTN bicycle bearings in the UK.


FAQ

Q. What is the best bearing brand?

NTN, NSK, FAG and SKF are all quality bearing suppliers and their products meet ISO/JIS/DIN standards. When selecting a bearing it is important to ensure that the bearing fits correctly within the enclosure. Far eastern bearings sold on ebay or amazon are often out of specification in one or multiple parameters, these fit issues manifest themselves as creak or poor bearing life. Some sellers have been known to sell fake bearings which are very difficult to spot without specialized measuring equipment, fitting these usually presents the same problems. In short, fitting genuine branded bearings is recommended

Q. Which seals do you recommend?

For road racing, NTN LLB series, SKF RZ series and NSK VV series are recommended. For inclement weather or extended life, NTN LLU series, SKF 2RS series, NSK DD series or FAG 2RS series are recommended

Q. Which bearings have the lowest friction?

NTN LLB series followed by NSK VV series, SKF RZ series and then FAG BRS series

Q. How many bearings is this listing for?

All bearings on this website are sold in Singles unless otherwise stated

More Information
Inside Diameter (mm) 20
Outer Diameter (mm) 37
Width (mm) 9
Alternative Part Numbers 6904 2RS 6904 LLU 6904 LLB 6904 2RZ 6904 VV 6904 DD 6904 2RSR 6904 HRS 61904 2RS 61904 LLU 61904 LLB 61904 2RZ 61904 VV 61904 DD 61904 2RSR 61904 HRS
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Hambini Engineering, Unit 11386, 13 Freeland Park, Wareham Road, Poole, Dorset BH16 6FH UK