NTN Spherical Roller Bearings w/ Standard Bore , 22348B

Description





Item # d D B r Static Load Rating Dynamic Load Rating
22348B 9.4488 in
240.000 mm
19.6850 in
500.000 mm
6.1024 in
155.000 mm
0.1969 in
5.000 mm
920000 lbf
4100000 N
4100.00 kN
610000 lbf
2720000 N
2720.00 kN

1. Design features and characteristics

Spherical roller bearings consist of an outer ring having a continuous spherical raceway and two rows of barrel-shaped rollers guided by an inner ring with two raceways. (Refer to Fig. 1) This bearing has self-aligning properties, and therefore is suited for use where misalignment between the inner and outer rings occurs from housing installation error or shaft bending.
Spherical roller bearings have a large capacity for radial loads, axial loads in either direction, and combined loads. They are also suited for applications where vibration and shock loads are encountered. When spherical roller bearings are used with a vertical shaft or under a large axial load, the load on the rollers of the row that is not subject to the axial load becomes small, and the resulting skidding on the rollers may result in wear. If the ratio of the axial load to the radial load exceeds the factor e in the dimension table (Fa/Fr > e), consult NTN Engineering.
In addition to spherical roller bearings with cylindrical bores, spherical roller bearings with tapered bores are also available. Bearings with tapered bores are specified by the suffix “K” at the end of the spherical roller bearing part number. The standard taper ratio is 1:12 for bearings with a “K” suffix; for bearings in series 240 and 241, the suffix “K30” indicates the taper ratio for a bearing is 1:30. Most tapered bore bearings incorporate the use of adapters and withdrawal sleeves for shaft mounting.

 

 

 


Product form

Item # d D B r Static Load Rating Dynamic Load Rating 22348B 9.4488 in 240.000 mm 19.6850 in 500.000... Read more

SKU: 22348B

$3,995.67 Excl. VAT

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    Description





    Item # d D B r Static Load Rating Dynamic Load Rating
    22348B 9.4488 in
    240.000 mm
    19.6850 in
    500.000 mm
    6.1024 in
    155.000 mm
    0.1969 in
    5.000 mm
    920000 lbf
    4100000 N
    4100.00 kN
    610000 lbf
    2720000 N
    2720.00 kN

    1. Design features and characteristics

    Spherical roller bearings consist of an outer ring having a continuous spherical raceway and two rows of barrel-shaped rollers guided by an inner ring with two raceways. (Refer to Fig. 1) This bearing has self-aligning properties, and therefore is suited for use where misalignment between the inner and outer rings occurs from housing installation error or shaft bending.
    Spherical roller bearings have a large capacity for radial loads, axial loads in either direction, and combined loads. They are also suited for applications where vibration and shock loads are encountered. When spherical roller bearings are used with a vertical shaft or under a large axial load, the load on the rollers of the row that is not subject to the axial load becomes small, and the resulting skidding on the rollers may result in wear. If the ratio of the axial load to the radial load exceeds the factor e in the dimension table (Fa/Fr > e), consult NTN Engineering.
    In addition to spherical roller bearings with cylindrical bores, spherical roller bearings with tapered bores are also available. Bearings with tapered bores are specified by the suffix “K” at the end of the spherical roller bearing part number. The standard taper ratio is 1:12 for bearings with a “K” suffix; for bearings in series 240 and 241, the suffix “K30” indicates the taper ratio for a bearing is 1:30. Most tapered bore bearings incorporate the use of adapters and withdrawal sleeves for shaft mounting.

     

     

     


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