NTN BEARING 1205

NTN BEARING 1205

  • Type: Double-row, self-aligning ball bearing with cylindrical (straight) bore, open design (no seals)

  • Dimensions: Bore = 25 mm, Outer Diameter = 52 mm, Width = 15 mm

SKU: BNT1205 Category:

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PRODUCT DEFINITION

Brand SNR
d – Internal diameter 25 mm
D – External diameter 52 mm
B – Bearing/Inner ring width 15 mm
d1 – External diameter inner ring 33,3 mm
D1 – Inner diameter outer ring 43,1 mm
rs – Min fillet radius 1 mm
Radial clearance class CN
Precision class P0
Mass 0,139 kg
PRODUCT PERFORMANCE
C – Dynamic load 11,9 kN
C0 – Static load 3,3 kN
Cu – Fatigue limit load 0,15 kN
e – Coefficient 0.27
Y0 – Static axial load coefficient 2.43
Y1 – Lower axial load coefficient 2.32
Y2 – Upper axial load coefficient 3.59
N ref – Reference thermal speed 13000 tr/min
N lim – Mechanical Limit Speed 18000 tr/min
Tmin – Min operating temperature -40 °C
Tmax – Max operating temperature 120 °C
BEARING FREQUENCIES
BPFO – Over rolling frequency on outer ring (60 rpm) 4,887 Hz
BPFI – Over rolling frequency on inner (60 rpm) 7,113 Hz
BSF – Over rolling frequency on rolling element (60 rpm) 5,12 Hz
BRF – Rotational frequency – rolling element (60 rpm) 2,56 Hz
FTF – Rotational frequency – cage (60 rpm) 0,407 Hz