INA ZARN2557-TV Bearing

Bearing number : ZARN2557-TV

Size (mm) : 25x57x50

Brand : INA

Bore Diameter (mm) : 25

Outer Diameter (mm) : 57

Width (mm) : 50

Bearing dimensions and specification in YHY catalogue:

d – 25 mm

D – 57 mm

H – 50 mm

B – 10 mm

C – 20 mm

D₁ – 47 mm

D_{a max} – 48 mm

d_{a min} – 39 mm

H₁ – 35 mm

r_{1 min} – 0,6 mm

r_min – 0,3 mm

m – 0,53 kg / Weight

C_a – 35500 N / Dynamic load rating (axial)

C_0a – 86000 N / Static load rating (axial)

C_r – 22600 N / Dynamic load rating (radial)

C_0r – 36000 N / Static load rating (radial)

n_{G Ol} – 6000 1/min / Limiting speed for oil lubrication (valid only with adequate oil cooling)

n_{G Fett} – 1900 1/min / Limiting speed for grease lubrication

M_RL – 0,55 Nm / Bearing frictional torque

c_aL – 1900 N/??m / Axial rigidity

c_kL – 350 Nm/mrad / Tilting rigidity

M_m – 0,99 kg x cm^2 / Mass moment of inertia for rotating inner ring

– 1 ??m / Axial runout (The axial runout data for screw drive bearing arrangements are based on the rotating inner ring)

– ZMA25/45 / Designation of recommended INA locknut

– AM25 / Designation of recommended INA locknut

M_A – 25 Nm / Tightening torque (Only valid in conjunction with INA precision locknuts)

– 10470 N / Axial preload force

Tags :  YHY , 25x57x50