REXNORD - MARBETT - MCC
B56
UCT - HCT
t
mm
Code
UCF²
HCF²
20
681862
50
-
25
681872
52
-
30
667812
55
-
20
681882
50
-
25
681892
52
-
30
667932
55
-
20
681942
-
57
25
681952
-
58
30
63154
-
62
20
681962
-
57
25
681972
-
58
30
69965
-
62
1
2
f
a
b
e
c
l
p
g
i
z
d
m
n
l
t
t
t
1
2
1
2
t
2
2
Grub screws or eccentric collar shaft locking
Version with bearing YAR 2F
The double ring guarantees maximum protection against dust and
non-corrosive substances.
Version with stainless steel bearing YAR 2RF
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 YAT
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
• Threaded insert in nickel plated brass.
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
• Threaded insert in nickel plated brass.
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 HCT • Type D
Eccentric collar shaft
locking
• Series UCT • Type A
Grub screws shaft
locking
• Series UCT • Type C
Grub screws shaft
locking
• Series UCT • Type B
Grub screws shaft
locking
Protection covers (accessories)
Seals.
Seals O-Ring.
Accessories
Take-up bearing units
dia.
d
mm
Accessories
Cover
orange
Serie UCT Closed cover
supplied with seals
Serie UCT Open cover
supplied with seals
Serie HCT Closed cover
supplied with seals
Serie HCT Open cover
supplied with seals
Series HCT
Open cover
Series HCT
Closed cover
Series UCT
Open cover
Series UCT
Closed cover