Bearing Wholesalers
  • Address258 Bearing Wholesalers Center Hill, Singapore 628925
  • Factory Address258 Bearing Wholesalers Center Hill, Singapore 628925
  • Worktime9: 00-18: 00 (بتوقيت بكين)
  • Phone(Working Time)+6531591338
  • Phone(Nonworking Time)+6531591338
  • Fax+6531591338

Double row cylindrical roller bearings

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Double row cylindrical roller bearings

Two-row, or double-row, cylindrical bearings are designed for additional strength in carrying radial loads. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and diameter over the rollers (NN style) are held to an ISO/DIN standard. Interchangeability is designed for the ring without the rollers to allow interchange with competitor inner rings.

Size range: 80 mm to 2000 mm OD

Design Attributes

  • Designed to ISO/DIN specified interchangeable dimensions where available.
  • Sold as complete assembly.
  • Available in same size range as single row product.
  • Current designs use NN, NNU nomenclature.
  • Standard cage design is a drilled pocket, finger-style bronze retainer.

Applications

  • Gear Drives
  • Crop Shear
  • Rolling Mills
  • Machine Tools
Bearing Number Bore Dia Outer DIa Width Size
Bearing NN4996K 1 pcs Negotiable - -
Bearing NNUP4880 1 pcs Negotiable - -
Bearing NNU41/560 1 pcs Negotiable - -
Bearing NN4040K 1 pcs Negotiable - -
Bearing NN3084 1 pcs Negotiable - -
Bearing NNU3052 1 pcs Negotiable - -
Bearing NN49/530K 1 pcs Negotiable - -
Bearing NN3132 1 pcs Negotiable - -
Bearing NN3148 1 pcs Negotiable - -
Bearing NN4936K 1 pcs Negotiable - -
Bearing NN4072 1 pcs Negotiable - -
Bearing NNU4992K 1 pcs Negotiable - -
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