NTN 6312c4

Item: DM7DUTModel: 6312c4
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Product Specifications:

Bearing Inner Ring Width (b) 31 mm
Bpfi Over Rolling Inner Frequency (60 Rpm) 4.926 Hz
Bpfo Over Rolling Frequency On Outer Ring (60 Rpm) 3.074 Hz
Brf Rotational Frequency On Rolling Element (60 Rpm) 2.044 Hz
Bsf Over Rolling Frequency On Rolling Element (60 Rpm) 4.088 Hz
Cage Rotational Frequency (ftf) (60 Rpm) 0.384 Hz
Coefficient (f0) 13.2
Dynamic Load (c) 86.3 kN
External Dia. (d) 130 mm
Fatigue Limit Load (cu) 4.1 kN
Grease Lubrication Limit Speed (n Lim) 5400 turns/min.
Inside Ring External Dia. (d1) 76.4 mm
Internal Dia. (d) 60 mm
Max. Operating Temp. 120°
Max. Shaft & Housing Fillet Radius (ra) 2 mm
Max. Shoulder Or Dia. (da) 119 mm
Mechanical Limit Speed (n) 8600 turns/min.
Min. Fillet Radius (rs) 2.1 mm
Min. Operating Temp. -40°
Min. Shoulder Dia. Ir (da) 71 mm
Oil Lubrication Limit Speed (n) 6300 turns/min.
Outside Ring Inside Dia. (d1) 115.8 mm
Radial Clearance Class C4
Reference Thermal Speed 6800 turns/min.
Static Load Rating (c0) 52.2 kN

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NTN 6312c4