NTN 7221BDF bearing


NTN 7221BDF bearing Price & size

d - 105 mm

D - 190 mm

B - 36 mm

ra1 max. - 1 mm

Angle (α) - 40 °

a - 80 mm

r min. - 2,1 mm

r1 min. - 1,1 mm

2B - 72 mm

Da max. - 178 mm

db min - 112 mm

ra max. - 2 mm

Weight - 7,74 Kg

Basic dynamic load rating (C) - 231 kN

Basic static load rating (C0) - 258 kN

(Grease) Lubrication Speed - 2 600 r/min

(Oil) Lubrication Speed - 3 500 r/min

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NTN 7221BDF bearing Company information
NTN 7221BDF bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. NTN 7221BDF bearing can ensure high quality for more than 80% raw material of NTN 7221BDF bearing provided by the steel plant.Explorer series bearing of NTN 7221BDF bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of NTN 7221BDF bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .
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