INA VA250309-N bearing

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please contact Email for any inquiry sales@tanchin.hk INA VA250309-N

d_i:   235                  

D_a:   408,4                  

b:   52,5                  

C_a:   325000         Basic dynamic load rating, axial

n_a:   24         Number of fixing holes in outer ring

L_a:   359           

d_B:   13           

n_i:   24         Number of fixing holes in inner ring

:        4 taper type lubrication nipples, DIN 71412, spaced approximately uniformly on circumference

D_{i ZT}:   310         Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8

d₀:   400           

T:   3           

z:   80         Number of teeth

h:   52,5           

L_i:   259           

F_{z max}:   18800         Max. permissible tooth force against tooth fracture in dedendum

C_r:   215000         Basic dynamic load rating, radial

m:   29,5         Mass

F_{r per}:   99100         Maximum permissible radial load against friction lock

C_0r:   295000         Basic static load rating, radial

H:   60           

  0,06 - 0,25  :   0,06 - 0,25         Radial clearance

  0,1 - 0,41  :   0,1 - 0,41         Axial tilting clearance

d_{i ZT}:   237         Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8

F_{z norm}:   12900         Maximum permissible tooth force (dedendum fatigue strength)

C_0a:   650000         Basic static load rating, axial

d_a:   310           

t:   8           

m:   5         Tooth modulus

D_i:   308           

Type:   INA Slewing rings