EC-6204LLB, Expansion Compensating Bearing - Double Sealed (Non-Contact Rubber Seal)

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EC-6204LLB, Expansion Compensating Bearing - Double Sealed (Non-Contact Rubber Seal) image

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Customers who bought this item also bought Angular Contact Ball Bearing

Bearing number:7228 CD/HCP4A
Size (mm):250x140x42
Bore Diameter (mm):250
Outer Diameter (mm):140
Width (mm):42
d:140 mm
D:250 mm
B:42 mm
d1:176.8 mm
d2:176.8 mm
D1:213.2 mm
r1,2 - min.:3 mm
r3,4 - min.:1.5 mm
a:47.3 mm
da - min.:154 mm
db - min.:154 mm
Da - max.:236 mm
Db - max.:241 mm
ra - max.:2.5 mm
rb - max.:1.5 mm
dn:184.8 mm
Basic dynamic load rating - C:221 kN
Basic static load rating - C0:240 kN
Fatigue load limit - Pu:7.4 kN
Limiting speed for grease lubrication:7000 r/min
Limiting speed for oil lubrication:10000 mm/min
Ball - Dw:30.162 mm
Ball - z:18
Gref:83.931 cm3
Calculation factor - f0:15.2
Preload class A - GA:850 N
Preload class B - GB:1700 N
Preload class C - GC:3400 N
Preload class D - GD:6800 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:181 N/micron
Preload class B:245 N/micron
Preload class C:339 N/micron
Preload class D:485 N/micron
r1,2 min.:3 mm
r3,4 min.:1.5 mm
da min.:154 mm
db min.:154 mm
Da max.:236 mm
Db max.:241 mm
ra max.:2.5 mm
rb max.:1.5 mm
Basic dynamic load rating C:221 kN
Basic static load rating C0:240 kN
Fatigue load limit Pu:7.35 kN
Attainable speed for grease lubrication:7000 r/min
Attainable speed for oil-air lubrication:10000 r/min
Ball diameter Dw:30.162 mm
Number of balls z:18
Reference grease quantity Gref:83.931 cm³
Preload class A GA:850 N
Static axial stiffness, preload class A:181 N/µm
Preload class B GB:1700 N
Static axial stiffness, preload class B:245 N/µm
Preload class C GC:3400 N
Static axial stiffness, preload class C:339 N/µm
Preload class D GD:6800 N
Static axial stiffness, preload class D:485 N/µm
Calculation factor f:1.09
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:15.2
Mass bearing:6.92 kg

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