Page 722 - SKF-bearing-housings

17.4 SKF inch roller bearing units with a round or piloted flanged housing
FYR and FYRP series
d a 1 7 /16 – 2 11 /16 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. –

1 7 /16 FYR 1 7/16 16 600 5 100 5 300 1 700 8.5 1 /2 2)
FYRP 1 7/16 16 600 5 100 5 300 1 700 6.3 3 /8
1 1 /2 FYR 1 1/2 16 600 5 100 5 300 1 700 8.4 1 /2 2)
FYRP 1 1/2 16 600 5 100 5 300 1 700 6.3 3 /8
1 11 /16 FYR 1 11/16 17 300 4 500 4 700 1 600 10.5 1 /2
FYRP 1 11/16 17 300 4 500 4 700 1 600 7.8 7 /16
1 3 /4 FYR 1 3/4 17 300 4 500 4 700 1 600 11 1 /2
FYRP 1 3/4 17 300 4 500 4 700 1 600 7.7 7 /16
1 15 /16 FYR 1 15/16 19 000 4 100 4 250 1 450 11 1 /2
FYRP 1 15/16 19 000 4 100 4 250 1 450 8.2 1 /2
2 FYR 2 19 000 4 100 4 250 1 450 10.5 1 /2
FYRP 2 19 000 4 100 4 250 1 450 8.2 1 /2
2 3 /16 FYR 2 3/16 22 400 3 700 3 800 1 300 13.5 5 /8
FYRP 2 3/16 22 400 3 700 3 800 1 300 9.9 1 /2
2 7 /16 FYR 2 7/16 33 300 3 100 3 250 1 100 17.5 5 /8
FYRP 2 7/16 33 300 3 100 3 250 1 100 14 1 /2
2 1 /2 FYR 2 1/2 33 300 3 100 3 250 1 100 17.5 5 /8
FYRP 2 1/2 33 300 3 100 3 250 1 100 13.5 1 /2
2 11 /16 FYR 2 11/16 35 500 2 800 2 800 950 27 3 /4
FYRP 2 11/16 35 500 2 800 2 800 950 20.5 5 /8

1) The listed designation is for a non-locating unit with TriGard seals. Other variants must be specified by suffixes († page 693).
2) The units are supplied with three attachment bolt holes, which are placed in an angle of 120°.
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