Page 145 - FanPedia - By Twin City Fan and Blower

FAN-PEDIA BEARINGS

Published by
Twin City Fan & Blower FIXED & FLOATING BEARINGS
©2017 TCF.COM

OVERVIEW
Two bearings support and locate a shaft
axially and radially in relation to the housing,
SINGLE WIDTH CENTRIFUGAL (HORIZONTAL MOUNT) which is stationary. There is “fixed” side and a

“floating” side. The fixed side controls the shaft
axially. The floating side has more freedom of
movement (floating) to help compensate for
thermal expansion or contraction of shaft.

Guidelines for use
300 F and below
o
Ball Type – Use 2 fixed
Roller Type – (1) fixed; (1) floating

Arrangements Arrangements Arrangements Split Roller Type - (1) fixed; (1) floating
1, 8, 9, 9F, 9ST, 9SS, 10 3 & 7 3SI* & 7SI* 301 F and above
o
All Types – (1) fixed; (1) floating

DOUBLE WIDTH CENTRIFUGAL (HORIZONTAL MOUNT) *Ball Type Bearings 300 F and
o
below may require one fixed
and one floating bearing

FIXED BEARING FLOATING BEARING
Also Know As: Also Know As:
Non Expansion Bearing Expansion Bearing
Non-Locating Bearing

Arrangements Arrangements
3, 3F, & 7 3DI* & 7DI*
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