Page 724 - SKF-bearing-housings

17.4 SKF inch roller bearing units with a round or piloted flanged housing
FYR and FYRP series
d a 2 3 /4 – 4 in.
A 1
A A 1
1 /32
A 5
A 5 1 /32
A 6 A 2

B B
s a s a
d a d a D a

A 4
A 3 A 6
A 3
A
FYR FYR .. H FYRP FYRP .. H

Shaft Bearing unit Basic load Limiting speeds Mass Appropriate
diameter Designation 1) rating TriGard Labyrinth Radial shaft attachment
dynamic seal seal seal bolt size
d a C
in. lbf. r/min lb. –

2 3 /4 FYR 2 3/4 35 500 2 800 2 800 950 27 3 /4
FYRP 2 3/4 35 500 2 800 2 800 950 20.5 5 /8
2 15 /16 FYR 2 15/16 35 500 2 800 2 800 950 26 3 /4
FYRP 2 15/16 35 500 2 800 2 800 950 19.5 5 /8
3 FYR 3 35 500 2 800 2 800 950 26 3 /4
FYRP 3 35 500 2 800 2 800 950 19.5 5 /8
3 7 /16 FYR 3 7/16 56 900 2 300 2 200 800 38.0 3 /4
FYRP 3 7/16 56 900 2 300 2 200 800 30 3 /4
3 1 /2 FYR 3 1/2 56 900 2 300 2 200 800 38 3 /4
FYRP 3 1/2 56 900 2 300 2 200 800 29.0 3 /4
3 11 /16 FYR 3 11/16 69 900 2 100 2 000 700 53.0 7 /8
FYRP 3 11/16 69 900 2 100 2 000 700 41 3 /4
3 15 /16 FYR 3 15/16 69 900 2 100 2 000 700 52 7 /8
FYRP 3 15/16 69 900 2 100 2 000 700 40.0 3 /4
4 FYR 4 69 900 2 100 2 000 700 52.0 7 /8
FYRP 4 69 900 2 100 2 000 700 40 3 /4

1) The listed designation is for a non-locating unit with TriGard seals. Other variants must be specified by suffixes († page 693).

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