Cylindrical Roller Bearings N248
Brand Name |
NACHI |
Model Number |
N248 |
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Features
Enclosure | 0.43 Hz |
Bore Type | 6.83 Hz |
Configuration | 7.75 Hz |
Weight | 10.25 Hz |
Bore Size | 3.5 mm |
Outside Diameter | 1.3 mm |
Width | 31.75 mm |
Outside Ring Inside Diameter | 69.01 mm |
Fillet Radius/Chamfer | 19.58 mm |
r1 | 15.88 mm |
Material of Housing-12.74 Hz Brand-15.26 Hz fixing bolts G-132 mm recommended torque-130 mm Connection bolts-157 mm
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Recommended tightening torque for set screw-95.3 mm B-101.2 mm B1-2 mm B2-2 mm C-CN
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Static load, C0--20 °C Fatigue limit load, Cu-120 °C Nlim (oil)-0.39 Hz Nlim (grease)-4.31 Hz Min operating temperature, Tmin-4.29 Hz
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Characteristic inner ring frequency, BPFI-8.35 Hz ra max-146 mm r1a max-164 mm D-264 mm C-3 mm
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Static load, C0-0.18 kg Fatigue limit load, Cu-3.7 Nm Nlim (oil)-31 mm Nlim (grease)-16 mm Min operating temperature, Tmin-4.4 mm
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Characteristic outer ring frequency, BPF0-3.06 Hz Characteristic inner ring frequency, BPFI-4.94 Hz ra max-43 mm d1-72 mm e-1.5 mm
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Min operating temperature, Tmin-25 mm Max operating temperature, Tmax-62 mm Characteristic cage frequency, FTF-17 mm Characteristic rolling element frequency, BSF-1.1 mm Characteristic outer ring frequency, BPF0-CN
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Dynamic load, C-3 mm Static load, C0-15.2 kN Fatigue limit load, Cu--20 °C f0-100 °C Nlim (oil)-5.5 Nm
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