Page 792 - Rollingbearings
P. 792
Designation system
9 Spherical roller bearings
Designation system
Group 1 Group 2 Group 3 /
Preixes
BS2-.. Bearing, designated by a drawing number
ZE Bearing with SensorMount feature
Basic designation
Listed in table 4, page 30
Figure with four digits: drawing number identiication
Sufixes
Group 1: Internal design
BC Bearing for wind turbine main shafts with roller-guided cast iron cage
CA, CAC Retaining langes on the inner ring, guide ring centred on the inner ring, machined brass
cage
CC(J), CJ Flangeless inner ring, guide ring centred on the inner ring, two stamped steel cages
CCJA, EJA Flangeless inner ring, guide ring centred on the outer ring raceway, two stamped steel
cages
E Optimized internal design for increased load carrying capacity
213, 222 and 223 series: Flangeless inner ring and two stamped steel cages Annular
groove and three lubrication holes in the outer ring
d ≤ 65 mm: Guide ring centred on the inner ring
d > 65 mm: Guide ring centred on the cage
Group 2: External design (seals, snap ring groove, etc.)
-CS, -2CS Contact seal, NBR, on one or both sides
-CS2, -2CS2 Contact seal, FKM, on one or both sides
-CS5, -2CS5 Contact seal, HNBR, on one or both sides
-RS, -2RS Contact seal, NBR, on one or both sides
-RS5, -2RS5 Contact seal, HNBR, on one or both sides
K Tapered bore, taper 1:12
9 K30 Tapered bore, taper 1:30
Group 3: Cage design
F Machined steel cage, inner ring centred
FA Machined steel cage, outer ring centred
J Stamped steel cage, inner ring centred
JA Stamped steel cage, outer ring centred
MA Machined brass cage, outer ring centred
790
