Rexnord® 820 TableTop® Chain
820
Chain Drawing
DIRECTION
OF TRAVEL
Chain Width
desc
in
mm
3 1/4 3.25 82.6
4
4.00 101.6
4 1/2 4.50 114.3
6
6.00 152.4
7 1/2 7.50 190.5
Min. Back-flex Radius
1.50 in
(38.1 mm)
Chain Information
Min. Side-flex Radius Approximate Weight
in
mm
lbs/ft
kg/m
0.56
0.83
0.64
0.95
0.69
1.03
0.84
1.25
0.99
1.48
Chain Pitch
1.50 in
(38.1 mm)
Guide Clearance
1.75 in
(44.5 mm)
Height Over Centerline
0.29 in
(7.4 mm)
Photo shows 820 TableTop® Chain molded in Low Friction (LF) material.
Plate Bottom to
Chain Bottom
0.41 in
(10.4 mm)
Overall Width
1.64 in
(41.7 mm)
Chain Width
Thickness
0.16 in
(4.1 mm)
Pin Diameter
0.25 in
(6.4 mm)
Available Materials
Prefix
Chain
Material
D
HP™
LF
MLF
P
Plain Acetal
High Performance
Low Friction
Medium Duty Low Friction
Chemical Resistant
AS
BWR
CR
DUV
FR
HS
MR
PS®
WD
WHP
WLF
WX
Anti-Static
Black Wear Resistant
Extreme Chemical Resistant
Plain Acetal Ultraviolet Resistant
Flame Retardant
Heat Stabilized
Melt Resistant
Platinum Series®
White Plain Acetal
White High Performance
White Low Friction
Green Abrasion Resistant Polyamide
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
0
180
140
-18
Made-to-Order Materials
Stainless Steel
0
180
NR
-18
Stainless Steel
-40
180
NR
-40
Stainless Steel
40
240
212
4
Stainless Steel
0
180
150
-18
Stainless Steel
0
180
140
-18
Stainless Steel
-40
220
212
-40
Stainless Steel
-80
220
NR
-62
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
150
-40
Stainless Steel
-40
180
NR
-40
Standard
Pin Material
Regulatory Information
The Food and Drug Administration (FDA) accepts certain materials for direct
food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Rexnord® 820 Series TableTop® Chain Product Portfolio
Chain
Strength
lbs
N
FDA
Approval
82
82
82
82
82
66
66
66
66
60
365
365
365
365
292
1,624
1,624
1,624
1,624
1,299
No
Yes
Yes
No
Yes
82
82
116
82
82
104
104
82
82
82
82
82
NR
NR
100
66
60
100
NR
66
66
66
66
NR
219
438
292
365
219
365
365
365
365
365
365
365
974
1,948
1,299
1,624
974
1,624
1,624
1,624
1,624
1,624
1,624
1,624
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
No
Additional Notes
Stocked in 80 pitch, 10 ft (3.048 m) length strands.
Thermoplastic pins are available on a made-to-order basis.
Chain strength is listed at room temperature. NR = Not Recommended.
For additional material information, see material portfolio.
TT - 820 - 1
Straight Running
Rexnord, TableTop, Platinum Series, HP and PS are trademarks of
Rexnord Industries, LLC.
All rights reserved.
Celsius
max
dry
wet
Chain Drawing
DIRECTION
OF TRAVEL
Insert Width
0.39 in
(9.9 mm)
Chain Width
desc
in
mm
3 1/4 3.25 82.6
4 1/2 4.50 114.3
6
6.00 152.4
Chain Information
Insert Length
in
mm
2.56
65.0
3.83
97.3
5.32
135.1
Min. Back-flex Radius
1.50 in
(38.1 mm)
Approximate Weight
lbs/ft
kg/m
0.56
0.83
0.69
1.03
0.84
1.25
Chain Pitch
1.50 in
(38.1 mm)
Insert Height
0.08 in
(2.0 mm)
Height Over Centerline
0.29 in
(7.4 mm)
Photo shows HPM 820 TableTop® Chain molded in High
Performance (HP™) material with High Friction Inserts.
Guide Clearance
1.75 in
(44.5 mm)
Overall Width
1.64 in
(41.7 mm)
Chain Width
Insert Length
Thickness
0.16 in
(4.1 mm)
Plate Bottom to
Chain Bottom
0.41 in
(10.4 mm)
Rexnord® 820 TableTop® Chain with High Friction Inserts
HPM 820
Solid Dome
(60 Shore A)
Pin Diameter
0.25 in
(6.4 mm)
Available Materials
Prefix
HPM
Chain
Material
High Performance with Molded Insert
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
180
150
-40
Standard
Pin Material
Regulatory Information
Straight Running
The Food and Drug Administration (FDA) accepts certain materials for direct
food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Rexnord, TableTop and HP are trademarks of Rexnord Industries, LLC.
All rights reserved.
Celsius
max
dry
wet
82
66
Chain
Strength
lbs
N
365
1,624
FDA
Approval
Yes
Additional Notes
Stocked in 80 pitch, 10 ft (3.048 m) length strands.
Thermoplastic pins are available on a made-to-order basis.
Inserts may be spaced every pitch, every second pitch, etc.
Chain strength is listed at room temperature. NR = Not Recommended.
For additional material information, see material portfolio.
TT - 820 - 2
Rexnord® 820 Series TableTop® Chain Product Portfolio
820 Semi-Steel Block Body Sprocket
Number
Of Teeth
effect
9 1/2
10
10 1/2
11
11 1/2
12
12 1/2
13 1/2
14 1/2
15 1/2
20 1/2
Pitch
Diameter
in
4.620
4.854
5.089
5.324
5.560
5.796
6.032
4.622
6.978
7.452
9.826
mm
117.35
123.29
129.26
135.23
141.22
147.22
153.21
117.40
177.24
189.28
249.58
Outside
Diameter
in
4.61
4.86
5.12
5.35
5.59
5.83
6.07
6.56
7.05
7.53
9.93
mm
117.1
123.4
130.0
135.9
142.0
148.1
154.2
166.6
179.1
191.3
252.2
min
1
1
1
1
1
1
1
1
1
1
1
Shipped as an 815 semi-steel
grooved block body sprocket
1.68 in
(42.7 mm)
Face
Width
820 Semi-Steel Arm Body Sprocket Information
Bore Diameter (Shaft-Ready)
Round
Square
in
mm
in
mm
max
min
max
min
max
min
max
1 1/4
20
30
1 1/4
20
30
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
1 3/4
20
45
2 1/2
20
65
-
Length
thru Bore
2.00 in
(50.8 mm)
Bore Diameter (Round)
in
min
1
1
1
1
1
1
1
1
1
1
1
mm
max
1 1/4
1 1/4
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4
2 1/2
min
20
20
20
20
20
20
20
20
20
20
20
max
30
30
45
45
45
45
45
45
45
45
65
Approximate
Weight
lbs
3.28
3.81
4.63
5.12
5.31
5.41
5.57
6.50
6.72
6.86
16.23
kg
1.49
1.73
2.10
2.32
2.41
2.45
2.53
2.95
3.05
3.11
7.36
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number
Of Teeth
Pitch
Diameter
actual effect
13
6 1/2
15
7 1/2
17
8 1/2
21
10 1/2
25
12 1/2
in
mm
3.228 81.99
3.688 93.68
4.152 105.46
5.089 129.26
6.032 153.21
Outside
Diameter
in
3.11
3.63
4.12
5.12
6.07
mm
79.0
92.2
104.6
130.0
154.2
min
1
1
1
1
1
820 Semi-Steel Block Body Sprocket Information
Bore Diameter (Shaft-Ready)
Round
Square
in
mm
in
mm
max
min
max
min
max
min
max
1 1/4
20
30
1 1/4
20
30
1 11/16 20
40
2 11/16 20
70
3 7/16
20
90
-
Bore Diameter (Round)
in
min
1
1
1
1
1
mm
max
1 1/4
1 1/4
1 11/16
2 11/16
3 7/16
min
20
20
20
20
20
max
30
30
40
70
90
Approximate
Weight
lbs
2.45
3.57
4.83
4.63
5.57
kg
1.11
1.62
2.19
2.10
2.53
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number
Of Teeth
actual
21
23
25
27
effect
10 1/2
11 1/2
12 1/2
13 1/2
Pitch
Diameter
in
5.089
5.560
6.032
6.504
mm
129.26
141.22
153.21
165.20
Outside
Diameter
in
5.12
5.59
6.07
6.56
mm
130.0
142.0
154.2
166.6
NS820 Thermoplastic Split Sprocket Information
Bore Diameter (Shaft-Ready)
Round
Square
in
mm
in
mm
min
max
min
max
min
max
min
max
1
1 5/8
25
40
1
1 5/8
25
40
1
2
25
50
1
1 5/8
25
40
-
Bore Diameter (Idler)
in
min
1
1
1
1
Approximate
Weight
mm
max
1 5/8
1 5/8
2
1 5/8
min
25
25
25
25
max
40
40
50
40
lbs
1.01
1.19
1.39
1.76
Imperial shaft-ready round bore sprockets are shipped with keyway and setscrew. Metric shaft-ready round bore sprockets are shipped with keyway and no setscrew. Idler bores are designed to spin freely on the shaft.
Rexnord® 820 Series TableTop® Chain Product Portfolio
kg
0.46
0.54
0.63
0.80
TT - 820 - 3
Rexnord® 820 Series TableTop® Chain Compatible Sprockets
actual
19
20
21
22
23
24
25
27
29
31
41
Face
Width
1.68 in
(42.7 mm)
1.68 in
(42.7 mm)
Face
Width
and
Length
thru Bore
Bore Diameter
Pitch Diameter
Outside Diameter
Shipped as an 815 semi-steel
grooved arm body sprocket
Bore Diameter
Pitch Diameter
Outside Diameter
1.50 in
(38.1 mm)
Length
thru Bore
NS820 Thermoplastic Split Sprocket
Bore Diameter
Pitch Diameter
Outside Diameter
820 Semi-Steel Arm Body Sprocket
815/820 Idler Wheel
Outside Diameter
Face
Width
2.44 in
(62.0 mm)
Bore Diameter
2.19 in
(55.6 mm)
Length
thru Bore
815/820 Idler Wheel Imperial Information
Equivalent
Tooth Size
21
23
25
27
Outside
Diameter
in
5.11
5.60
6.09
6.56
mm
129.8
142.2
154.7
166.6
Approximate
Weight
Imperial Bore Diameter (Idler)
7/8
7/8
7/8
-
in
1 3/16
1 3/16
1 3/16
-
1
1
1
-
1 1/4
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
-
lbs
0.49
0.59
0.66
0.70
kg
0.22
0.27
0.30
0.32
Rexnord® 820 Series TableTop® Chain Compatible Sprockets
Idler wheels are designed to spin freely on the shaft. 27 tooth idler wheel is available on a made-to-order basis and is subject to minimum order requirements.
815/820 Idler Wheel Metric Information
Equivalent
Tooth Size
21
23
25
Outside
Diameter
in
5.11
5.60
6.09
mm
129.8
142.2
154.7
Approximate
Weight
Metric Bore Diameter (Idler)
mm
25
25
25
30
30
30
35
35
35
40
40
40
lbs
0.49
0.59
0.66
kg
0.22
0.27
0.30
Idler wheels are designed to spin freely on the shaft.
TT - 820 - 4
Rexnord® 820 Series TableTop® Chain Product Portfolio