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Index >> Spherical Roller Bearing >> Cylindrical or taper hole
d 20-50mm
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
22208-E1 XL 0.528 40 80 23 1.1 70.4 48.6 3.2 4.8 47 73 1 101000 91000 0.28 2.41 3.59 2.35 11800 10000 6200
21308-E1 XL 0.701 40 90 23 1.5 80.8 59.7 3.2 4.8 49 81 1.5 109000 107000 0.24 2.81 4.19 2.75 14300 9500 5200
21308-E1-K XL 0.702 40 90 23 1.5 80.8 59.7 3.2 4.8 49 81 1.5 109000 107000 0.24 2.81 4.19 2.75 14300 9500 5200
22308-E1-K XL 1.03 40 90 33 1.5 76 52.4 3.2 4.8 49 81 1.5 156000 149000 0.36 1.86 2.77 1.82 13100 7500 5500
22308-E1 XL 1.05 40 90 33 1.5 76 52.4 3.2 4.8 49 81 1.5 156000 149000 0.36 1.86 2.77 1.82 13100 7500 5500
22308-E1-T41A XL 1.05 40 90 33 1.5 76 52.4 3.2 4.8 49 81 1.5 156000 149000 0.36 1.86 2.77 1.82 13100 7500 5500
22209-E1-K XL 0.577 45 85 23 1.1 75.6 54.8 3.2 4.8 52 78 1 104000 99000 0.26 2.62 3.9 2.56 12700 10000 5600
22209-E1 XL 0.589 45 85 23 1.1 75.6 54.8 3.2 4.8 52 78 1 104000 99000 0.26 2.62 3.9 2.56 12700 10000 5600
21309-E1-K XL 0.845 45 100 25 1.5 89.8 67.6 3.2 4.8 54 91 1.5 129000 130000 0.23 2.92 4.35 2.86 17300 8500 5500
21309-E1 XL 0.845 45 100 25 1.5 89.8 67.6 3.2 4.8 54 91 1.5 129000 130000 0.23 2.92 4.35 2.86 17300 8500 5500
22309-E1-K XL 1.36 45 100 36 1.5 84.7 58.9 3.2 6.5 54 91 1.5 187000 183000 0.36 1.9 2.83 1.86 16100 6700 5000
22309-E1 XL 1.39 45 100 36 1.5 84.7 58.9 3.2 6.5 54 91 1.5 187000 183000 0.36 1.9 2.83 1.86 16100 6700 5000
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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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