Chains

Idler Wheels
www.bergab.ru Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 223-3071
for Series 812, 815, 881 M, SSR 812 Rubber Top
Split Thermoplastic (NSXT) Idler Wheels
Rexnord
Order No.
NSXT 820 T21 R...
NSXT 820 T23 R...*
NSXT 820 T25 R...
Equivalent
No. of
Teeth
21
23
25
* = Available upon request and minimum
order quantity.
Material: polyamide (black).
Also available in Glistamide ® black
(special material).
Bolts and nuts in stainless steel AISI 304.
Outside
Dia.
da
mm
130
142,5
154,5
Finished
Bore
d1
mm
25 30 35 40
25 30 35 40
25 30 35 40 45
d1=
25-30
40
40
40
dn (mm)
d1=
35-45
50
50
50
Weight
kg
0,26
0,29
0,30
Max recommended tightening torque: 0,6 kgm.
44
57
61,5
+ 0,4
+ 0,2
d1
dn
da
NSXT 820
Thermoplastic (NXT) Idler Wheels
Rexnord
Order No.
Bore (mm)
NXT 820 T15 R...
NXT 820 T17 R...
NXT 820 T18 R...*
NXT 820 T19 R...
NXT 820 T21 R...
NXT 820 T23 R...
NXT 820 T25 R...
Equivalent
No. of
Teeth
15
17
18
19
21
23
25
Outside
Dia.
da
mm
95,5
106,5
113
118
130
142,5
154,5
Finished
Bore
d1
25 30
25 30
25 30
25 30 40
25 30 35 40
25 30 35 40 45 50
25 30 35 40
dn
mm
40
42
40
42•
d1+10
d1+10
d1+10
L
mm
55
53
57
57
60
59,5••
59
Ln
mm
92
57
92
57
61,5
61,5
61,5
Weight
kg
0,20
0,18
0,24
0,20
0,22
0,27
0,30
44
L
Ln
+ 0,4
+ 0,2
d1
dn
da
NXT 820
Bore (inches)
NXT 820 T19 R...*
NXT 820 T21 R..
NXT 820 T23 R...
NXT 820 T25 R...
19
21
23
25
118
130
142,5
154,5
1"
11/4" 11/2"
11/4" 11/2"
11/4" 11/2"
42
40
40
40
57
60
59,5
59
57
61,5
61,5
61,5
0,20
0,22
0,27
0,30
* = Available upon request and minimum order quantity.
• = 51 with d1= 40.
•• = 61,5 with d1= 45-50.
= 45 with d1 = 11/2".
Material: polyamide (black).
Example of codenumber : NSXT 820 T25 R 35 (including bore)
www.bergab.ru Берг АБ bergab@ya.ru Тел. 65 (495)-228-06-21, факс (495) 223-3071