FAG B7228-E-T-P4S Bearing

FAG B7228-E-T-P4S spindle bearings | 140x250x42mm

Also known as : B7228-E-T-P4S

• Inside Diameter: 140 mm
• Outside Diameter: 250 mm
• Width: 42 mm
• Basic dynamic load rating: 213 kN
• Basic static load rating: 157 kN

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FAG B7228-E-T-P4S Bearing

Number	B7228-E-T-P4S
Type	FAG spindle bearings, adjusted, in pairs or sets
d	140 mm
D	250 mm
B	42 mm
a	66,5 mm
Da	226,5 mm	Tolerance: H12
da	163 mm	Tolerance: h12
Etk max	187 mm
Etk min	175,9 mm
Etk1 max	187 mm
Etk1 min	175,9 mm
r1 min	3 mm
ra max	2,5 mm
ra1 max	2,5 mm
rmin	3 mm
α	25 °	Contact angle
m	7,86 kg	≈ Mass
Cr	213000 N	Basic dynamic load rating, radial
C0r	157000 N	Basic static load rating, radial
Cur	11500 N	Fatigue limit load, radial
nG Fett	4500 1/min	Limiting speed for grease lubrication The limiting speeds are based on elastically preloaded single bearings.
nG Öl	6700 1/min	Limiting speed for minimal quantity oil lubrication The limiting speeds are based on elastically preloaded single bearings.
FV L	2141 N	Preload force
FV M	6870 N	Preload force
FV H	14029 N	Preload force
KaE L	6233 N	Lift-off force
KaE M	20615 N	Lift-off force
KaE H	43390 N	Lift-off force
ca L	373 N/µm	Axial rigidity
ca M	579 N/µm	Axial rigidity
ca H	775 N/µm	Axial rigidity

Nodes bearings have FAG B7228-E-T-P4S spindle bearings in stock, FAG bearings, precision bearings, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances.