NTN BEARING 1207

NTN BEARING 1207

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

  • Dimensions: Bore (d) = 35 mm, Outer diameter (D) = 72 mm, Width (B) = 17 mm.

SKU: BNT1207 Category:

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PRODUCT DEFINITION

Brand SNR
d – Internal diameter 35 mm
D – External diameter 72 mm
B – Bearing/Inner ring width 17 mm
d1 – External diameter inner ring 47,7 mm
D1 – Inner diameter outer ring 59 mm
rs – Min fillet radius 1,1 mm
Radial clearance class CN
Precision class P0
Mass 0,322 kg
PRODUCT PERFORMANCE
C – Dynamic load 15,6 kN
C0 – Static load 5,1 kN
Cu – Fatigue limit load 0,23 kN
e – Coefficient 0.23
Y0 – Static axial load coefficient 2.86
Y1 – Lower axial load coefficient 2.73
Y2 – Upper axial load coefficient 4.23
N ref – Reference thermal speed 9600 tr/min
N lim – Mechanical Limit Speed 13000 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) 6,813 Hz
BPFI – Over rolling frequency on inner (60 rpm) 9,187 Hz
BSF – Over rolling frequency on rolling element (60 rpm) 6,515 Hz
BRF – Rotational frequency – rolling element (60 rpm) 3,258 Hz
FTF – Rotational frequency – cage (60 rpm) 0,426 Hz