Nomenclature For FAG High Precision Spindle bearings

FAG Spindle bearings are single row angular contact ball bearings of the greatest accuracy. Benefits provided by the unique style functions of the contact angle, cage and internal geometry are that greater rigidness, maximum rotational precision, outstanding speedability, low vibration output

Spindle ball bearings are single-row angular contact ball bearings (separable ball bearings) with a nominal contact angle of 15° or 25°. They can be subjected to both radial and (in one direction) axial loads. The direction of the axial load carrying capaIn device tools and fabric device building and in numerous other locations of application the propensity is towards ever greater rotational speeds and ever higher precision.B719C., B70C., B72C., B719E., B70E., B72E,HS-HSS719C., HSS70C., HSS719E., HSS70E.Various types are readily available to fit a wide variety of particular operating conditions.
- FAG spindle bearings from the B719,
B70 and B72 series
- FAG high speed spindle bearings from the HS719 and HS70 series
- FAG hybrid spindle bearings from the HC719 and HC70 series.
All spindle bearings have a contact angle of 15º (type C) or 25º (type E) and are offered either as a universal bearing or as a bearing set.
The envelope measurements of high speed (HS) and hybrid spindle bearings (HC) correspond the B series spindle

bearings. The style qualities permit severe speeds, low friction and heat accumulation, adding to lower needs on the lube and a longer operating life. They are likewise offered as sealed systems (HSS or HCS spindle bearings). All series are produced in high accuracy P4S quality (running precision to accuracy P2 and envelope measurements to accuracy P4).


B7005C.T.P4S.UL
B 70 5 C T P4S U L
Type Series Bore Diameter Contact Angle Cage Precision Bearing Sets Standard Preloads
B Standard 719 Light series 00 10 mm C 15° T Phenolic, FAG tolerance, U Single  bearing, L Light
OR relieved,  IR symmetrical 70 Medium series 01 12 mm E 25° OR riding better than ISO P4 DU Duplex set, M Medium
HCB Standard 72 Heavy series 02 15 mm TU Triplex set, H Heavy
OR relieved,  IR symmetrical 03 17 mm QU Quadruplex set,
Ceramic balls 04 4 · 5 = 20 mm PU Pentaplex set,
HS High speed  small ball bearing 05 5 · 5 = 25 mm DB Duplex set,
Double  relieved Back to back
HSS High speed  bearing, sealed DF Duplex set,
HC High speed  ball bearing Face to face
Ceramic balls DT Duplex set,
HCS High speed  ball bearing TBT Triplex set,
Tandem, back to back
B7008C.T.P4S.UL QBC Quadruplex set,
Double tandem, back  to back

Contact us