NTN 1220kc3

Item: DM7VWUModel: 1220kc3
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Product Specifications:

Bearing Inner Ring Width (b) 34 mm
Bpfi Over Rolling Inner Frequency (60 Rpm) 11.233 Hz
Bpfo Over Rolling Frequency On Outer Ring (60 Rpm) 8.767 Hz
Brf Rotational Frequency On Rolling Element (60 Rpm) 3.966 Hz
Bsf Over Rolling Frequency On Rolling Element (60 Rpm) 7.932 Hz
Cage Rotational Frequency (ftf) (60 Rpm) 0.438 Hz
Coefficient (e) 0.17
Dynamic Load (c) 68.4 kN
External Dia. (d) 180 mm
Fatigue Limit Load (cu) 1.14 kN
Inside Ring External Dia. (d1) 127.2 mm
Internal Dia. (d) 100 mm
Lower Axial Load Coefficient (y1) 3.64
Max. Inside Ring Shoulder Dia. (da) 124 mm
Max. Operating Temp. 120°
Max. Shaft & Housing Fillet Radius (ra) 2 mm
Max. Shoulder Or Dia. (da) 169 mm
Mechanical Limit Speed (n) 4800 turns/min.
Min. Fillet Radius (rs) 2.1 mm
Min. Length Fro Sleeve Ce 7 mm
Min. Operating Temp. -40°
Min. Shoulder Dia. Ir (da) 111 mm
Min. Sleeve Dia. (db) 106 mm
Outside Ring Inside Dia. (d1) 153.4 mm
Precision Class Class P0
Radial Clearance Class C3
Reference Thermal Speed 4600 turns/min.
Static Axial Load Coefficient (y0) 3.81
Static Load Rating (c0) 29.7 kN
Upper Axial Load Coefficient (y2) 5.63

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NTN 1220kc3