Multiple variants (NA 4905, NA 6905, NA 6906, etc.). Needle roller bearings with inner ring, NA series, fully assembled, cage, separable inner ring. Photos are for illustration purposes only.

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NEEDLE ROLLER BEARINGS NK
Multiple variants (NK 8/12, NK 12/16, NK 20/26, etc.). NK series needle roller bearings, without inner ring, solid cage, high capacity. Photos are for illustration purposes only.
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Type: NK series needle roller bearing (without inner ring). A single row of needles in a solid steel cage, rolled or pressed cup outer ring.
Without inner ring: The shaft must be hardened and ground, it serves as the raceway for the needles.
Cage: Solid pressed steel, high thickness, distributes the needles precisely.
Load capacity: High radial capacity, compact despite the absence of an inner ring.
Mounting: On a hardened, ground shaft, with no additional components, simple design.
Speed: Medium speeds (up to 8,000 rpm), oil lubrication essential.
Protection: Open, without shields, robust standard design.
Specifications: High radial capacity, without inner ring, solid cage, medium speeds, standard tolerances, temperature -30°C to +80°C.
Applications: Engine connecting rods, transmissions, compact systems where the shaft is hardened.
Benefits: High capacity in a compact size, simplicity, economy, robustness.
7 other products in the same category:
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Multiple variants (AS series). Washers for axial roller and needle roller bearings, shaft mounting, axial support for axial loads. Photos are for illustration purposes only.
Multiple variants (AXK 15x28, AXK 20x35, AXK 30x47, etc.). Axial needle roller cage in steel or plastic with integrated needle rollers, high axial load capacity, compact size. Photos are for illustration purposes only.
Multiple variants (K 10x13x10, K 15x20x10, etc.). K series needle roller bearings, full-complement cage, solid pressed outer ring, without inner ring. Photos are for illustration purposes only.
Multiple variants (NAK series). Needle roller bearings with thin, long rollers (needles), maximum radial compactness, high load capacity in a small space. Photos are for illustration purposes only.
Multiple variants (K 10x13x10, K 15x20x10, etc.). K series needle roller bearings, full-complement cage, solid pressed outer ring, without inner ring. Photos are for illustration purposes only.