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Index >> Spherical Roller Bearing >> Cylindrical or taper hole
d 55-70mm
Product Parameter
Designation X-life Mass
m
≈kg 		Principal dimensions
mm 		Fitting dimansion
mm 		Basic load ratings
KN 		Calculation coefficient Fatigue limit load
Cur/ N 		Limiting Speed
nG /min–1 		Reference Speed
nB/min–1
d D B r
min 		D1
≈ 		d2
≈ 		ds ns da
min 		Da
max 		ra
max 		Dyc
Cr 		Stc
Cor 		e Y1 Y2 Y0
22211-E1-K XL 0.825 55 100 25 1.5 89.8 67.3 3.2 4.8 64 91 1.5 129000 130000 0.23 2.92 4.35 2.86 17300 8500 4650
22211-E1 XL 0.851 55 100 25 1.5 89.8 67.3 3.2 4.8 64 91 1.5 129000 130000 0.23 2.92 4.35 2.86 17300 8500 4650
21311-E1-K XL 1.19 55 120 29 2 98.3 71.4 3.2 6.5 66 109 2 160000 155000 0.24 2.84 4.23 2.78 20200 6300 5100
21311-E1 XL 1.19 55 120 29 2 98.3 71.4 3.2 6.5 66 109 2 160000 155000 0.24 2.84 4.23 2.78 20200 6300 5100
22311-E1-K XL 2.22 55 120 43 2 101.4 68.9 3.2 6.5 66 109 2 265000 260000 0.36 1.89 2.81 1.84 23900 5600 4500
22311-E1-K-T41A XL 2.22 55 120 43 2 101.4 68.9 3.2 6.5 66 109 2 265000 260000 0.36 1.89 2.81 1.84 23900 5600 4500
22311-E1 XL 2.27 55 120 43 2 101.4 68.9 3.2 6.5 66 109 2 265000 260000 0.36 1.89 2.81 1.84 23900 5600 4500
22311-E1-T41A XL 2.27 55 120 43 2 101.4 68.9 3.2 6.5 66 109 2 265000 260000 0.36 1.89 2.81 1.84 23900 5600 4500
22212-E1-K XL 1.09 60 110 28 1.5 98.7 71.4 3.2 6.5 69 101 1.5 160000 155000 0.24 2.84 4.23 2.78 20200 7500 4550
22212-E1 XL 1.12 60 110 28 1.5 98.7 71.4 3.2 6.5 69 101 1.5 160000 155000 0.24 2.84 4.23 2.78 20200 7500 4550
21312-E1-K XL 1.78 60 130 31 2.1 112..5 84.4 3.2 6.5 72 118 2.1 211000 226000 0.23 2.95 4.4 2.89 28000 6300 4100
21312-E1 XL 1.78 60 130 31 2.1 112..5 84.4 3.2 6.5 72 118 2.1 211000 226000 0.23 2.95 4.4 2.89 28000 6300 4100
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Introduction
features self aligning roller bearing is a double row non separable bearing & ndash; including the solid outer ring with spherical raceway, the solid inner ring and the drum roller with cage. The inner ring has a cylindrical or conical hole. the symmetrical drum roller can be freely adjusted in the outer spherical raceway. Therefore, it is possible to compensate for shaft bending and misalignment of mating surfaces, see compensation for angular misalignment. most sizes of self-aligning roller bearings are designed by X-life . These bearings have better kinematic properties and optimized raceway surfaces, and are made of high-performance materials without middle ribs. Therefore, under the same working conditions, the basic dynamic load rating and basic life rating of the bearing are significantly improved. In some applications, this means that smaller bearing arrangements can be chosen. and indicate in the dimension table. self aligning roller bearing can bear bidirectional axial force and high radial force. they are designed for high bearing capacity because they have as many and long drum rollers as possible, and self-aligning roller bearings are also suitable for extremely heavy loads. optimized tightness between roller and raceway ensures uniform stress distribution in the bearing. self aligning roller bearing can compensate angle misalignment. The allowable load corresponding to the centering angle is P & lt; 0.1 & middot; C R . See the table below. these tuning angles are allowed if: angle misalignment is constant (static angle misalignment) the inner ring is a rotating part. if the outer circle rotates, the inner circle swings, or the center adjustment angle is greater than the value in the table, the allowable center adjustment angle of the bearing will be smaller. please contact us if the above situation occurs.
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