REXNORD - MARBETT - MCC
B52
UCFB - HCFB
t
mm
Code
UCF²
HCF²
20
681942
49
49
25
681952
52
57
30
63154
55
60
35
682022
59
64,5
40
600882
66,5
72
20
681962
49
49
25
681972
52
57
30
69965
55
60
35
682032
59
64,5
40
600892
66,5
72
1
2
t
d
t
d
z
i
l
g
d
h
Df
e
b
c
p
f
s
a
a
p
10
s
e
15
12
17,2
f
10
e
12
17,2
1
2
2
Grub screws or eccentric collar shaft locking
Version with bearing Type B
The double ring guarantees maximum protection against dust and
non-corrosive substances.
Version with stainless steel bearing Type C
A±S± 420 stainless steel bearing with 2 rubberised rings, provides
excellent seal against humidity, steams, liquids, medium corrosive
chemical agents. Maximum load ability is inferior.
Version with bearing Type A
The rubberised ring guarantees maximum protection against dusts.
Material
Polyamide PA FV guarantees maximum strength and high-
temperature resistance. Polypropylene PP FV offers excellent
resistance to chemical agents but inferior load ability.
Material
PA FV polyamide housing
• Housing in reinforced polyamide PA FV resin (black)
• Ball type nickel plated brass greasing nipple
• Reinforcing bushings on mounting holes in stainless steel AISI 304.
PP FV polypropylene housing
• Housing in reinforced polypropylene PP FV resin (white)
• Bearing in stainless steel AISI 420
• Ball type stainless steel AISI 316 greasing nipple
• Reinforcing bushings on mounting holes in stainless steel AISI 316.
Continuous operating temperature
in air: - 20 to + 60°C.
Maximum allowed misalignment:
2°.
Bearing
• Type B (grub screws shaft locking, chrome alloy steel,
Superagriseal unit plus centrifuging ring)
• Type C (grub screws shaft locking, stainless steel A±S± 420,
Superagriseal unit plus rubberised centrifuging ring)
• Type A (grub screws shaft locking, chrome alloy steel, Superagriseal unit)
• Type D (eccentric collar shaft locking, chrome alloy steel, Superagriseal unit)
• Prelubricated with lithium / calcium grease
• Can be relubricated.
• Series HCFB • Type D
Eccentric collar shaft
locking
• Series UCFB • Type A
Grub screws shaft
locking
• Series UCFB • Type C
Grub screws shaft
locking
• Series UCFB • Type B
Grub screws shaft
locking
Closed cover
Open cover
Protection covers (accessories)
Seals.
Seals O-Ring.
Accessories
Sidelangebearingunits
The picture shows
d. 20 - 25 version.
For other versions please
see the technical drawing.
dia.
d
mm
Accessories
Cover
orange
Closed cover
supplied with seals
Open cover
supplied with seals
Version d. 30 - 35 mm
Version d. 20 - 25 mm
Version d. 40 mm