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Designation
Pillow block bearing
Version 1
flange bearing
Version 2
UCFL
Main material
grey cast iron
D=internal diameter
45
E=Hole spacing
148
A1
19
A2
22
B
188
B1
108
Bearing
UC 209
D3
19
Fastening screw(s)
M16
Housing
FL 209
L
52,2
L1
49,2
L2
38
L3
15
α
10°
~ CONFLICT MINERALS 3TG status
not yet identified
~ CP65 substance 2 cancer
carbon-black extracts
~ PFAS free?
no
~ PFAS substance/s
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Housing, grey cast iron.
Bearing, ball-bearing steel 100Cr6.
Seal, rubber NBR.
Version
Housing, painted.
Note
Pillow block bearings consist of a sealed single-row ball bearing with a spherical outer ring which is mounted in a housing. Because of the spherical outer surface of the bearing, shaft misalignment can be compensated for. The bearings are manufactured with a plus tolerance. This results in transition or press fits when using shafts with h-tolerances. The shaft is secured by grub screws on the inner ring.

In normal applications, pillow block bearings are maintenance-free due to the lifetime lubrication. In difficult environmental conditions re-lubrication can be carried out over the grease nipple.

All housing dimensions are nominal dimensions for which the usual casting tolerances must be taken into consideration.
Temperature range
-15 °C to +100 °C.
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