Spindle Bearing B71928-E-2RSD-T-P4S

spindle super precision angular bearing B71928-E-2RSD-T-P4S 140x190x24mm bearing bearing 140*190*24mm B71928-E-2RSD-T-P4S spindle bearings


Technical datas of spindle bearing B71928-E-2RSD-T-P4S

(adjusted, in pairs or sets,contact angle 25°, lip seals on both sides, non-contact, restricted tolerance)

B71928-E-2RSD-T-P4S spindle bearings

d140  mm 
D190  mm 
B24  mm 
a50,5  mm 
Da181  mm Tolerance:   H12
da149  mm Tolerance: h12
r1 min1,5  mm 
ra max0,6  mm 
ra1 max0,6  mm 
rmin1,5  mm 
m1,65  kg ≈ Mass
Cr89000  N Basic   dynamic load rating, radial
C0r73000  N Basic static load rating, radial
Cur6000  N Fatigue   limit load, radial
nG Fett6000  1/min Limiting speed for grease lubrication

The   limiting speeds are based on elastically preloaded single bearings.
FV L736  N Preload force
FV M2564  N Preload   force
FV H5373  N Preload force
KaE L2136  N Lift-off   force
KaE M7663  N Lift-off force
KaE H16542  N Lift-off   force
ca L292  N/µm Axial rigidity
ca M466  N/µm Axial   rigidity
ca H628  N/µm Axial rigidity

Designation explanation of B71928-E-2RSD-T-P4S spindle bearings

B-standard steel balls

719-light series

28-bore code(28x5=140, inner diameter)

E-contact angle 25°

2RSD-sealed on both sides and greased

T-laminated fabric, guidance on outer ring

P4S-precision rating, better than P4 

For more spindle bearings demand, freely check with Mr Gavin Chu for more details.(

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