NSK Bearing 2211 2211k Double Row Self-Aligning Radial Ball Bearing


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Bore Size:
50 – 1000 mm
Outside Diameter:
100 – 1500 mm
$5.39
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Samples:
50 – 1000 mm , 100 – 1500 mm

$5.39/Piece | 1 Piece (Min. Order) |

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  • Product Description
  • Product Description
    NSK Bearing 2211 Double Row Self-Aligning Radial Ball Bearing

    The self-aligning ball bearing has two rows of balls and a common concave sphered raceway in the outer ring. The bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative to the housing. It is particularly suitable for applications where considerable shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, enabling it to run cooler even at high speeds.

    We produce self-aligning ball bearings to several designs. These are

    – open bearings of the basic design

    – sealed bearings

    – open bearings with an extended inner ring

     

    This ball bearing type is recommended when the shaft’s alignment and housing are complex and may flex. The outer ring has a spherical raceway, and its center of curvature coincides with that of the bearing; therefore, the axis of the inner circle, balls, and cage can deflect to some extent around the bearing center. Pressed steel cages are usually used. Since the contact angle is slight, the axial load capacity is low. Under normal loads, the permissible dynamic misalignment is approximately 0.07 to 0.12 radian (4 to 7 degrees).

    Boundary Dimension
    (mm)
    Mass
    (KG)
    Bearing Numbers Basic Load Ratings(KN) Limited Speed(rpm)
    d D B rain approx Cr Cor Grease Oil
    50 90 20 1.10 0.525 1210 20.43 7.78 5500 6500
    90 23 1.10 0.564 2210 20.88 8.11 5200 6100
    110 27 2.00 1.250 1310 39.15 13.54 4700 5500
    110 40 2.00 1.580 2310 58.05 19.39 4400 5100
    55 100 21 1.50 0.705 1211 24.12 9.6 5000 5900
    100 25 1.50 0.746 2211 23.85 9.50 4800 5500
    120 29 2.00 1.600 1311 46.35 17.18 4300 4900
    120 43 2.00 2.030 2311 67.95 23.04 4000 4700
    60 110 22 1.50 0.900 1212 27.00 11.04 4700 5500
    110 28 1.50 1.030 2212 30.60 12.10 4400 5100
    130 31 2.1 2.030 1312 51.30 19.97 3900 4600
    130 46 2.10 2.570 2312 78.30 27.07 3600 4300
    65 120 23 1.50 1.150 1213 27.90 12.00 4300 5000
    120 31 1.50 1.400 2213 39.15 15.74 4000 4800
    140 33 2.10 2.540 1313 55.80 21.99 3600 4300
    140 18 2.10 3.200 1313 86.40 31.20 3400 4000
    70 125 24 1.50 1.300 1214 31.05 13.25 4000 4700
    125 31 1.50 1.520 2214 39.60 16.42 3700 4400
    150 35 2.10 3.190 1314 67.05 26.59 3300 4000