SKU: 6904LLUNR/2AS-NTN
NTN 6904LLUNR/2AS Contact Rubber Sealed Type Deep Groove Ball Bearing with Snap Ring 20x37x9mm
Equivalent to: 6904LLUNRCM 61904LLUNRCM 6904LLUNR 61904LLUNR 6904NSENR 6904DUNR 6904RSNR 6904RSHNR 6904PNR 6904RSRNR 6904LUNR 69042NSENR 6904DDUNR 69042RSNR 6904-2RSNR 69042RS1NR 69042RSHNR 6904PPNR 69042RSRNR 6904LLUNR 6904RS2NR 69042RS2NR 69042RSLNR 6904LFSNR 6904EENR
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Description
Contact Rubber Sealed Deep Groove Ball Bearings with Snap Ring: A popular choice where the housings is part of a machine frame, These deep groove ball bearings can sustain radial, axial or composite loads and because of its simple design, this bearing type can be produced to provide both high-running accuracy and high-speed operation. This bearing has two contact rubber seals in contact with the inner ring providing protection against the ingress of moisture, dust and other foreign matter and serve to retain the pre-filled grease in the bearing. The snap ring is made from a spring steel material and fits into an annular groove around the outside of the bearing which is offset to one side.
Benefits: High-running accuracy and high-speed operation, snap ring location in housings, excellent grease sealing at low speeds, excellent protection against dust and water.
Note: These bearings are supplied pre-filled with grease, "/2AS" refers to Shell Alvania Grease S2
- Brand / Quality:
- NTN - High Quality
- Inside Diameter:
- 20mm
- Outside Diameter:
- 37mm
- Width:
- 9mm
- Seals / Shields:
- Rubber Sealed
- Clearance:
- * Standard
- Snap Ring:
- Snap Ring
Technical
| --- | Bearing dimensions |
|---|---|
| d | 20mm |
| D | 37mm |
| B | 9mm |
| r<sub>s</sub> min | 0.3mm |
| --- | Loads angles and speeds |
| rNS Min. | 0.3 kN |
| C<sub>r</sub> | 7.05 kN |
| C<sub>or</sub> | 3.7 kN |
| C<sub>u</sub> | 0.288 kN |
| f<sub>0</sub> | 14.7 |
| --- | Fitting Dimensions |
| Speed | 12000rpm |
| D<sub>1</sub> Max. | 35.7mm |
| a Max. | 1.7mm |
| b Min. | 0.95mm |
| r<sub>o</sub> Max. | 0.25mm |
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