Name: Needle bearing (solid) NA4912 Inner Ø 60 mm Outer Ø 85 mm Width25 mm
Brand: SKF
SKU: 23236314
Price: 107 CHF
Availability: InStock

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SKF Needle Bearing with Inner Ring, NA 4912 60x85x25

Needle bearings of type NA 49, NA 69, NKI, and NKIS. Needle bearings with rolling elements made of bearing steel are low-profile rolling bearings with relatively high load capacity. Bearings with inner rings are suitable for applications where hardening and grinding of the shaft are not possible. They allow axial displacements between the shaft and housing only within certain limits. The bearings with flanges on the outer ring are primarily designed as single-row bearings. In all cases, the outer ring, needle rollers, and cage form a self-contained unit. Bearings from the NA 49 series are also available with sealing rings. This effectively protects the bearings against the ingress of contaminants and the loss of lubricating grease. The inner ring of the sealed bearings is designed to be 1 mm wider and has a lubrication hole. This ensures that the bearings are effectively sealed even with small axial displacements of the shaft relative to the housing.

Main dimensions: ISO 15:2011 / DIN 620:2000 / ISO 1206:2001 / DIN 617:1993 for bearings of series (R)NA 48, (R)NA 49, and (R)NA 69

Prefix:
NA 49 / NA 69 Needle bearings with flanges on the outer ring, with inner ring
NKI / NKIS Needle bearings with flanges on the outer ring, with inner ring

Suffix:
2RS Steel sheet reinforced contact seals made of acrylonitrile-butadiene rubber (NBR) on both sides
TN Glass fiber reinforced cage made of polyamide 66.

Actual product image SKF Needle bearing (solid) NA4912 Inner Ø 60 mm Outer Ø 85 mm Width25 mm

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