I nostri prodotti utilizzati nell'industria automobilistica e dei camion includono principalmente: cuscinetti ruota, kit cuscinetti ruota, cuscinetti mozzi ruota, cuscinetti alternatori, cuscinetti tenditori, cuscinetti frizione e cuscinetti cambio ecc.

Double Row TNA SeriesNA82576 Bearing

Double row tapered roller bearing TNA bearings are non-adjustable, double-row bearings that are supplied with built-in clearance.This results in a specifified mounting setting range satisfactory for specifific applications. They are similar to type TDO, but the inner-ring front faces are extended so that they abut, which eliminates the need for the inner-ring spacer of a TDO bearing.They can be used at either fixed positions or allowed to float in the housing bore to compensate for shaft expansion.

For desired fifitting practice and resultant mounted setting range information, contact your VAFEM engineer. If a closer control of mounted setting range is required, type TDO bearing assembly is recommended.

VAFEM (Shang Hai) Bearing Technology Co.,Ltd

image/20220811/1660196545.jpg

Double Row TNA Series

Dimension and Parameters

Bearing Dimensions(mm/in.)

d :5.75

D :9.3125

T :5.1875

C :4.1875

Load Ratings(N/lbf)

Dynamic₍₁₎

C_{1(2) :}202000

Factors₍₂₎

e :0.44

Y_{1 :}1.53

Y_{2 :}2.27

Dynamic₍₃₎

C_{90 :}30000

C_{a90 :}22700

C_{90(2) :}52300

Factors⁽²⁾

K :1.32

Part Number

Inner :NA82576

Outer :82932D

Bearing Dimensions(mm/in.)

Shaft

Max. Shaft Fillet Radius

R^{(4) :}0.14

Backing Shoulder Dia.

d_{b :}6.54

Housing

Max. Housing Fillet Radius

r^{(4) :}0.06

Backing Shoulder Dia.

D_{a :}8.9

Pin(mm/in.)

K_{a :}–

K_{b :}–

Bearing Weight(kg/lbs.) :45.41

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