Koyo
FOR REFERENCE ONLY
  • Ball bearing units
  • Square-flanged type with spigot joint


Bearing No. UCFS321

Specification data (main dimensions, etc.)

d(mm)105
L(mm)310
H3(mm)260
J(mm)242
N(mm)38
A1(mm)32
A2(mm)39
A3(mm)20
A4(mm)74
A5(mm)107
B(mm)112
S(mm)44
Bolt sizeM33
Basic load ratings : Cr(kN)184
Basic load ratings : C0r(kN)153
Fatigue load limit : Cu(kN)5.41
factor : f013.2
Nipple sizeR1/8

JTEKT

2026/07/08