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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
21304-E1-TVPB XL 0.16 20 52 15 1.1 43 28.9 - - 27 45 1 41000 33000 0.3 2.25 3.34 2.2 3700 15000 9700
22205-E1-K XL 0.175 25 52 18 1 44.5 31.3 3.2 4.8 30.6 46.4 1 48000 42500 0.34 1.98 2.94 1.93 4800 17000 9200
22205-E1 XL 0.18 25 52 18 1 44.5 31.3 3.2 4.8 30.6 46.4 1 48000 42500 0.34 1.98 2.94 1.93 4800 17000 9200
21305-E1-TVPB XL 0.254 25 62 17 1.1 51 35.2 - - 32 55 1 52000 43500 0.28 2.43 3.61 2.37 4750 13000 8400
22206-E1-K XL 0.269 30 62 20 1 53.7 37.9 3.2 4.8 35.6 54.6 1 64000 57000 0.31 2.15 3.2 2.1 6900 13000 7800
22206-E1 XL 0.275 30 62 20 1 53.7 37.9 3.2 4.8 35.6 56.4 1 64000 57000 0.31 2.15 3.2 2.1 6900 13000 7800
21306-E1-TVPB XL 0.386 30 72 19 1.1 59.9 41.5 - - 37 65 1 72000 63000 0.27 2.49 3.71 2.43 7000 11000 7300
22207-E1-K XL 0.425 35 72 23 1.1 62.5 43.8 3.2 4.8 42 65 1 88000 81500 0.31 2.16 3.22 2.12 9400 11000 7000
22207-E1 XL 0.434 35 72 23 1.1 62.5 43.8 3.2 4.8 42 65 1 88000 81500 0.31 2.16 3.22 2.12 9400 11000 7000
21307-E1-K-TVPB XL 0.496 35 80 21 1.5 66.6 47.4 - - 44 71 1.5 83000 74000 0.26 2.55 3.8 2.5 8100 9500 6800
21307-E1-TVPB XL 0.503 35 80 21 1.5 66.6 47.4 - - 44 71 1.5 83000 74000 0.26 2.55 3.8 2.5 8100 9500 6800
22208-E1-K XL 0.517 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
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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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