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Designation
Pillow block bearing
Version 1
flange bearing
Version 2
MUCFL
Main material
stainless steel
D=internal diameter
20
E=Hole spacing
90
A1
12,7
A2
15
B
113
B1
60
Bearing
MUC 204
D3
12
Fastening screw(s)
M10
Housing
FL 204
L
33,3
L1
31
L2
25,5
L3
11
α
10°
~ CONFLICT MINERALS 3TG status
not yet identified
~ CP65 substance 2 cancer
nickel (metallic)
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material

Housing, stainless steel 1.4301.
Bearing, stainless steel 1.4125.
Seal, rubber NBR.

Version
Bright.
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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