NTN 21311v

Item: DX2PPAModel: 21311v
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Product Specifications:

Bearing Inner Ring Width (b) 29 mm
Bpfi Over Rolling Inner Frequency (60 Rpm) 8.74 Hz
Bpfo Over Rolling Frequency On Outer Ring (60 Rpm) 6.26 Hz
Brf Rotational Frequency On Rolling Element (60 Rpm) 2.905 Hz
Bsf Over Rolling Frequency On Rolling Element (60 Rpm) 5.81 Hz
Cage Rotational Frequency (ftf) (60 Rpm) 0.417 Hz
Coefficient (e) 0.24
Dynamic Load (c) 172 kN
External Dia. (d) 120 mm
Fatigue Limit Load (cu) 20 kN
Inside Ring External Dia. (d2) 73.6 mm
Internal Dia. (d) 55 mm
Lower Axial Load Coefficient (y1) 2.83
Max. Operating Temp. 200°
Max. Shaft & Housing Fillet Radius (ra) 2 mm
Max. Shoulder Or Dia. (da) 109 mm
Mechanical Limit Speed (n) 6900 turns/min.
Min. Fillet Radius (rs) 2 mm
Min. Operating Temp. -40°
Min. Shoulder Dia. Ir (da) 66 mm
Outside Ring Inside Dia. (d1) 102 mm
Radial Clearance Class Cn
Reference Thermal Speed 5000 turns/min.
Static Axial Load Coefficient (y0) 2.76
Static Load Rating (c0) 164 kN
Upper Axial Load Coefficient (y2) 4.21

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NTN 21311v