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    RPNA18/32 Alignment needle roller bearings, without an inner ring Featured Image
    • RPNA18/32 Alignment needle roller bearings, without an inner ring

    RPNA18/32 Alignment needle roller bearings, without an inner ring

    Short Description:

    Alignment needle roller bearings are self-aligning and offer a compact solution in applications where less space is available. Their internal design, where a convex outer ring meets two concave seating rings encased in a drawn sleeve, enables the bearings to accommodate initial static misalignment.Aligning needle roller bearings without inner ring are available in type RPNA .Bearings without an inner ring are highly suitable for bearing arrangements with low section height and particularly compact radial dimensions, if the shaft raceway can be hardened and ground . If no inner ring is used, the shaft can be designed to a greater thickness and thus with increased rigidity.


    Product Detail

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    RPNA18/32 Alignment needle roller bearings, without an inner ring  detail Specifications:

    Material : 52100 Chrome Steel

    Construction : Single Row with an inner ring

    Limiting Speed : 24000 rpm

    Weight : 0.052 kg

     

    Main Dimensions:

    Diameter under roller (Fw) : 18 mm

    Outer diameter (D) : 32 mm

    Width (C±0.5) : 16 mm

    The Tolerance of widith : - 0.05 mm to + 0.05 mm

    Shoulder diameter sleeve (D1) : 27 mm

    Chamfer dimension sheet steel sleeve (r) min. : 0.8 mm

    Dynamic load ratings (Cr) : 12.50 KN

    Static load ratings (Cor) : 16.20 KN

     

    ABUTMENT DIMENSIONS

    Smallest permissible abutment diameter housing (Da) min. : 26.00 mm

    Largest permissible abutment diameter housing (Da) max. : 27.00 mm

    Fillet radius (ra) max. : 0.8 mm

    RPNA drawing
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