SKF NN 3018 KTN3/SPW33 SP Precision Bearing
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Cylindrical Roller Bearing

SKF NN 3018 KTN3/SPW33 SP Precision Bearing

<p><strong>SKF NN 3018 KTN3/SPW33 Double Row Cylindrical Roller Bearing 90×140×37 mm SP Precision</strong> — Tapered bore (K, 1:12) enables direct interference fit on shaft journals for improved concentricity. W33 annular groove with three lubrication holes supports efficient grease distribution in machine tool spindles.</p> <ul> <li>Supplied through authorized channels with full batch traceability documentation and Certificate of Conformity for import compliance.</li> </ul>

Product ID
#7587
Availability
In Stock
  • Genuine SKF product with complete batch traceability
  • Factory-direct pricing with bulk order discounts
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  • Customized packaging, marking and pre-lubrication available

¥3.50

SKF NN 3018 KTN3/SPW33 Double Row Cylindrical Roller Bearing 90×140×37 mm SP Precision — Tapered bore (K, 1:12) enables direct interference fit on shaft journals for improved concentricity. W33 annular groove with three lubrication holes supports efficient grease distribution in machine tool spindles.

  • Supplied through authorized channels with full batch traceability documentation and Certificate of Conformity for import compliance.

Description

Technical Specifications

Parameter Value
Designation SKF NN 3018 KTN3/SPW33
Bearing Type Double Row Cylindrical Roller Bearing
Bore Diameter (d) 90 mm
Outside Diameter (D) 140 mm
Width (B) 37 mm
Number of Rows Double Row
Bore Type Tapered (1:12)
Cage Material Polyamide (TN3 suffix — verify against current SKF catalog)
Seal or Shield Type Open
Precision Class SP (Super Precision)
Lubrication Feature W33 (Annular groove and three lubrication holes in outer ring)
Arrangement NN (Double row, no flanges on inner ring)
Weight 2.05 kg
Origin China

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