Single Trailer Bearings NSK


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Single Trailer Bearings

Single trailer bearings are now available for caravans, boat trailers and caravans up to 3t.

All radial and axial load bearings sold by Couplemate are Japanese and as a result, the best quality money can buy.

Most tapered roller bearings are made of a type of steel known as high-carbon chromium steel, often called chrome steel. Cylindrical rollers are used in tapered roller bearings.

Bearings are also made from other materials such as stainless steel, ceramics and plastic.

The following single-bearing suit cup and cone or outer ring and inner races up to 3t.

NSK Bearing Specifications

  1. LM11949/10 – ID 19.05mm – OD 45.20mm
  2. LM12749/10 – ID 22.00mm – OD 45.20mm
  3. 30205J2Q – ID 25.00mm – OD 52.00mm
  4. LM44649/10 – ID 27.00mm – OD 50.29mm
  5. LM67048/10 – ID 31.75mm – OD 59.10mm
  6. LM68149/10 – ID 35.00mm – OD 59.10mm
  7. LM16849/111 – ID35.00mm – OD 59.97mm
  8. LM15123/245 – ID 31.75mm – OD 61.95mm
  9. LM29749/10 – ID 38.10mm – OD 65.088mm
  10. 48548/10 – ID 34.925mm – OD 65.08mm
  11. 14276/25A – ID 31.75mm – OD 69.01mm
  12. 16150R/2848 – ID 38.1mm – OD 72.23mm
  13. 501349/10 – ID 41.30mm – OD 73.43mm
  14. 2788/20 – ID38.10mm – OD 76.20mm
  15. 16150R/2848 – ID 38.1mm – OD 72.23mm
  16. LM25580/20 – ID 44.45 – OD 82.93mm
  17. HR30210J – ID 50mm – OD 89.96mm

Bearing Inspection

  1. When inspecting trailer bearings, it is not difficult to identify bad bearings.
  2. Run a thumbnail over the surface of the roller bearing. It should be silky smooth with no bumps.
  3. If the bearing grease is discoloured, then both bearings need replacement. Discoloured means black or brown grease.
  4. Black grease contains carbon black from a worn casing.
  5. Brown grease contains moisture or water. (replace bearing immediately)

Bearing New Article

Further, Japanese bearings last far longer than Chinese, Indian or unmarked trailer bearings.

All brands of NSK Japanese single trailer bearings are suitable for high-speed use.

Trouble Shooting Aligning Ball Bearings

Finally, do not overtighten bearings. Overtightening causes the cage of the bearing to rub against the bearing rollers. As a result, this rubbing creates heat and causes bearing degradation.

Untighten the axle nut sufficiently to free the bearing cage from the bearing rollers.

More Trailer and Caravan Bearing Kits here

Additional information

Weight0.25 kg
Dimensions8 × 8 × 2 cm
Single Bearing

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