Page 716 - SKF-bearing-housings

17.1 SKF inch roller bearing units with a two-bolt pillow (plummer) block housing
SYE, SYE .. N, SYR and SYR .. N series
d a 3 15 /16 – 4 in.
1 /32
A 1

B B
s s
d 2 d a H d a H

H 1 H 1

A A

SYE SYE .. N SYR .. NH

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

3 15 /16 SY R 3 15/16 69 900 2 100 2 000 700 43.5 1
SYR 3 15/16 N 95 700 2 000 2 200 – 43.5 1
4 SYR 4 69 900 2 100 2 000 700 43.5 1
SYR 4 N 95 700 2 000 2 200 – 43.5 1

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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