NTN 22207EAW33C3
SPECIFICATIONS
Bore Type | Round |
---|---|
Outer Ring Type | Not Split |
Bore Diameter | 35.000 mm, 1.3780 in |
Outside Diameter | 72.000 mm, 2.8346 in |
Overall Width | 23.000 mm, 0.9055 in |
Cage Type | Pressed |
Closure Type | Open |
Internal Clearance | C3 |
Lubrication Hole Type | Lubrication Groove & Holes |
Maximum Operating Temperature | 400 ºF |
Dynamic Load Capacity | 22500 lbf |
Static Load Capacity | 20700 lbf |
Maximum RPM | 9400 rpm |
Operating Temperature Range | -40 to 400 ºF |
Cage Material | Steel |
Bearing Material | Through Hardened Steel |
Precision Rating | Not Rated |
Finish/Coating | Uncoated |
Outer Ring Width | 0.9055 in; 23.000 mm |
Inner Ring Width | 23.000 mm, 0.9055 in |
Fillet Radius | 1.100 mm, 0.0433 in |
Series | 222 |
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.