ลูกปืนหน้าแปลนสี่เหลี่ยม SKF FY 40 TF(UCF208)

d

Bore diameter

d₁

Outer diameter inner ring

A

Overall width

A₁

Flange width

A₃

Depth of centring recess

A₅

Standout of end cover

B

Width of inner ring

B₄

Distance from locking device side face to thread centre

D_b1

Top external diameter

D_b2

Base external diameter

D_c

Centering diameter

J

Distance between attachment bolts

L

Overall length

N

Diameter of attachment bolt hole

s₁

Distance from locking device side face to raceway centre

T

Overall unit width