Chain Drawing
DIRECTION
OF TRAVEL
Weight
kg/m
2.53
2.98
3.27
Chain Pitch
1.50 in
(38.1 mm)
Guide Clearance
5.50 in
(139.7 mm)
Height Over Centerline
0.31 in
(7.9 mm)
Chain Information
Chain Width
Min. Side-flex Radius Approximate
desc
in
mm
in
mm
lbs/ft
7-1/2
7.50
190.5
1.70
10
10.00 254.0
2.00
12
12.00 304.8
2.20
Plate Bottom to
Chain Bottom
0.38 in
(9.5 mm)
Min. Back-flex Radius
1.50 in
(38.1 mm)
Chain is shown in Low Friction (LF) material.
Overall Width
5.38 in
(136.5 mm)
Chain Width
Thickness
0.19 in
(4.8 mm)
Rexnord® 821 TableTop® Chain
821
Pin Diameter
0.25 in
(6.4 mm)
Available Materials
Prefix
Chain
Material
D
HP™
LF
Plain Acetal
High Performance
Low Friction
AS
CR
WHP
WLF
MR
P
BWR
PS®
WX
WD
Anti-Static
Extreme Chemical Resistant
White High Performance
White Low Friction
Melt Resistant
Chemical Resistant
Black Wear Resistant
Platinum Series®
Green Abrasion Resistant Polyamide
White Plain Acetal
Standard
Pin Material
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
Stainless Steel
-40
Stainless Steel
-40
Made-to-Order Materials
Stainless Steel
0
Stainless Steel
+40
Stainless Steel
-40
Stainless Steel
-40
Stainless Steel
-80
Stainless Steel
0
Stainless Steel
-40
Stainless Steel
-40
Stainless Steel
-40
Stainless Steel
-40
Celsius
max
dry
wet
Chain
Strength
lbs
N
FDA
Approval
+180
+180
+180
+150
+150
+150
-40
-40
-40
+82
+82
+82
+66
+66
+66
625
625
625
2,780
2,780
2,780
+180
+240
+180
+180
+220
+180
+180
+180
+220
+180
+150
+212
+150
+150
NR
+140
NR
+150
NR
+150
-18
+4
-40
-40
-62
-18
-40
-40
-40
-40
+82
+116
+82
+82
+104
+82
+82
+82
+104
+82
+66
+100
+66
+66
NR
+60
NR
+66
NR
+66
375
500
625
625
625
500
750
625
625
625
1,668
2,224
2,780
2,780
2,780
2,224
3,336
2,780
2,780
2,780
-
Chain strength is listed at room temperature. NR = Not Recommended.
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.
Additional Notes
1. Stocked in 80 pitch, 10 ft (3.048 m) length strands.
Rexnord ® 821 Series TableTop ® Chain Product Portfolio
TT - 821 - 1
Straight Running
2. Thermoplastic pins are available on a made-to-order basis.
Rexnord, TableTop, Platinum Series, HP and PS are trademarks of
Rexnord Industries, LLC.
All rights reserved.
Chain Drawing
DIRECTION
OF TRAVEL
Insert Width
0.59 in
(15.0 mm)
Chain is shown in High Performance with Molded Insert (HPM) material.
Chain Width
desc
in
mm
7-1/2
7.50
190.5
10
10.00 254.0
12
12.00 304.8
Chain Information
Insert Length
in
mm
5.20
132.1
7.68
195.1
9.65
245.1
Approximate
lbs/ft
1.70
2.00
2.20
Min. Back-flex Radius
1.50 in
(38.1 mm)
Weight
kg/m
2.53
2.98
3.27
Guide Clearance
5.50 in
(139.7 mm)
Overall Width
5.38 in
(136.5 mm)
Chain Width
Insert Length
Thickness
0.19 in
(4.8 mm)
Plate Bottom to
Chain Bottom
0.38 in
(9.5 mm)
Height Over Centerline
0.31 in
(7.9 mm)
Rexnord® 821 TableTop® Chain with High Friction Inserts
821
Insert Height
0.08 in
(2.0 mm)
Dome
(60 Shore A)
Chain Pitch
1.50 in
(38.1 mm)
Pin Diameter
0.25 in
(6.4 mm)
Available Materials
Chain
Material
Prefix
HPM
High Performance with Molded Insert
Standard
Pin Material
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
Made-to-Order Materials
+180
+150
-40
Celsius
max
dry
wet
+82
+66
Chain
Strength
lbs
N
625
2,780
FDA
Approval
Chain strength is listed at room temperature. NR = Not Recommended.
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.
TT - 821 - 2
Additional Notes
1. Stocked in 80 pitch, 10 ft (3.048 m) length strands.
2. Thermoplastic pins are available on a made-to-order basis.
3. Inserts may be spaced every pitch, every second pitch, etc.
Rexnord ® 821 Series TableTop ® Chain Product Portfolio
Chain Drawing
Thickness
0.19 in
(4.8 mm)
Chain Information
Chain Width
Min. Side-flex Radius Approximate Weight
desc
in
mm
in
mm
lbs/ft
kg/m
7-1/2
7.50
190.5
1.70
2.53
Chain Pitch
1.50 in
(38.1 mm)
Height Over Centerline
0.31 in
(7.9 mm)
Min. Back-flex Radius
1.50 in
(38.1 mm)
Plate Bottom to
Chain Bottom
0.38 in
(9.5 mm)
Chain is shown in High Performance (HPTM) material.
Overall Width
5.38 in
(136.5 mm)
Chain Width
Edge
Radius
0.38 in
(9.7 mm)
Guide Clearance
5.50 in
(139.7 mm)
DIRECTION
OF TRAVEL
Rexnord® 821 TableTop® Chain with Radius-Edge
R 821
Pin Diameter
0.25 in
(6.4 mm)
Available Materials
Prefix
Chain
Material
HP™
High Performance
LF
PS®
Low Friction
Platinum Series®
Standard
Pin Material
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
Made-to-Order Materials
Stainless Steel
-40
Stainless Steel
-40
Celsius
max
dry
wet
Chain
Strength
lbs
N
FDA
Approval
+180
+150
-40
+82
+66
625
2,780
+180
+180
+150
+150
-40
-40
+82
+82
+66
+66
625
625
2,780
2 ,7 8 0
Chain strength is listed at room temperature. NR = Not Recommended.
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.
Additional Notes
1. Stocked in 80 pitch, 10 ft (3.048 m) length strands.
Rexnord ® 821 Series TableTop ® Chain Product Portfolio
TT - 821 - 3
Straight Running
2. Thermoplastic pins are available on a made-to-order basis.
Rexnord, TableTop, Platinum Series, HP and PS are trademarks of
Rexnord Industries, LLC.
All rights reserved.
Chain Drawing
Chain Information
Chain Width
Min. Side-flex Radius Approximate
desc
in
mm
in
mm
lbs/ft
7-1/2
7.50
190.5
4.10
10
10.00 254.0
5.12
12
1 2 .0 0 3 0 4 .8
6.12
Weight
kg/m
6.10
7.60
9.10
Guide Clearance
5.50 in
(139.7 mm)
Plate Bottom to
Top of Chain
0.76 in
(19.3 mm)
Overall Chain Height
1.11 in
(28.2 mm)
Height Over Centerline
0.86 in
(21.8 mm)
Min. Back-flex Radius
16.00 in
(406.4 mm)
Chain is shown in Low Friction (LF) material.
Overall Width
5.38 in
(136.5 mm)
Chain Width
DIRECTION
OF TRAVEL
Plate Bottom to
Chain Bottom
0.38 in
(9.5 mm)
Rexnord® 821 TableTop® Chain with Low Backline Pressure Rollers
LBP 821
Pin Diameter
0.25 in
(6.4 mm)
Chain Pitch
1.50 in
(38.1 mm)
Available Materials
Chain
Material
Prefix
HP ™
High Performance
AS
CR
LF
P
PS®
Anti-Static
Extreme Chemical Resistant
Low Friction
Chemical Resistant
Platinum Series®
Standard
Pin Material
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
Made-to-Order Materials
Stainless Steel
0
Stainless Steel
+40
Stainless Steel
-40
Stainless Steel
0
Stainless Steel
-40
Celsius
max
dry
wet
Chain
Strength
lbs
N
FDA
Approval
+180
+150
-40
+82
+66
625
2,780
+180
+24 0
+180
+180
+180
+150
+212
+150
+140
+150
-18
+4
-40
-18
-40
+82
+116
+82
+82
+82
+66
+100
+66
+60
+66
375
500
625
500
625
1,668
2,224
2,780
2,224
2,780
Chain strength is listed at room temperature. NR = Not Recommended.
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, Platinum Series, HP and PS are trademarks of
Rexnord Industries, LLC.
All rights reserved.
U.S. Patents: 4909380, 5096050, 5330045, 4436200
TT - 821 - 4
Additional Notes
1. Stocked in 80 pitch, 10 ft (3.048 m) length strands.
2. Low friction (LF) material is stocked for the 7-1/2 in (190.5 mm) width only.
3. Chemical resistant (P) and extreme chemical resistant (CR) materials are
available for the 7-1/2 in (190.5 mm) width only.
4. Typical coefficient of friction between chain and product = 0.07
Rexnord ® 821 Series TableTop ® Chain Product Portfolio
Chain Drawing
Overall Width
5.38 in
(136.5 mm)
Overall Chain Height
1.13 in
(28.8 mm)
Chain Width
Chain Information
Chain Width
Min. Side-flex Radius Approximate
desc
in
mm
in
mm
lbs/ft
7-1/2
7.50
190.5
3.56
10
10.00 254.0
4.44
12
12.00 304.8
5.28
Back-flex Radius
15.75 in
(400.0 mm)
Plate Bottom to
Chain Bottom
0.37 in
(9.5 mm)
Height Over Centerline
0.89 in
(22.5 mm)
Chain is shown in XLA material.
Guide Clearance
5.50 in
(139.7 mm)
Plate Bottom to
Chain Top
0.76 in
(19.3 mm)
DIRECTION
OF TRAVEL
Weight
kg/m
5.30
6.60
7.85
Chain Pitch
1.50 in
(38.1 mm)
Pin Diameter
0.25 in
(6.35 mm)
Available Materials
Prefix
XLA
Chain
Material
Internally Lubricated Polyacetal
Standard
Pin Material
Temperature
Fahrenheit
max
min
min
dry
wet
Standard Materials
Stainless Steel
-40
Made-to-Order Materials
+180
+150
-40
Celsius
max
dry
wet
+82
+66
Chain
Strength
lbs
N
600
2680
MCC® SWH LBP TableTop® Chain with Low Backline Pressure Rollers
SWH LBP
FDA
Approval
Chain strength is listed at room temperature. NR = Not Recommended.
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.
Additional Notes
1. Stocked in 40 pitch, 5 ft (1.524 m) length strands.
MCC ® SWH LBP Series TableTop ® Chain Product Portfolio
TT - 821 - 5
Straight Running
Rexnord, MCC, and TableTop are trademarks of Rexnord Industries, LLC.
All rights reserved.
821 Semi-Steel Sprocket
1.75 in
(44.5 mm)
Length
thru Bore
Rexnord® 821 Series TableTop® Chain Compatible Sprockets
actual
21
23
25
27
29
effect
10-1/2
11-1/2
12-1/2
13-1/2
14-1/2
Pitch
Diameter
in
5 .0 8 9
5 .5 6 0
6 .0 3 2
6 .5 0 4
6 .9 7 8
mm
1 2 9 .2 6
141.22
153.21
165.20
177.24
Outside
Diameter
in
5.12
5 .5 9
6.07
6.56
7 .0 5
mm
130.0
1 4 2 .0
154.2
166.6
179.1
Face
Width
3.13 in
(79.4 mm)
Bore Diameter
Pitch Diameter
Outside Diameter
Bore Diameter
Pitch Diameter
Outside Diameter
2.00 in
(50.8 mm)
Length
thru Bore
Face
Width
3.12 in
(79.2 mm)
Number
of Teeth
(TableTop) Sprocket
NS821 Thermoplastic Split Sprocket
821 Semi-Steel Sprocket Information
Bore Diameter (Shaft-Ready)
Round
Square
in
mm
in
mm
min
max
min
max
min
max
min
max
1
1-1/2
25
40
1
1-1/2
25
40
1
1-5/8
25
40
1
1-1/2
25
40
1
1-1/2
25
40
-
Bore Diameter (Round)
in
min
1
1
1
1
1
mm
max
1-3/4
1-3/4
1-3/4
1-3/4
1-3/4
min
25
25
25
25
25
max
45
45
45
45
45
Approximate
Weight
lbs
6.70
7 .00
7.30
7.60
8.00
kg
3.04
3.18
3.31
3.45
3.63
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number
of Teeth
actual
21
25
effect
10-1/2
12-1/2
Pitch
Diameter
in
5 .0 8 9
6 .0 3 2
mm
1 2 9 .2 6
153.21
Outside
Diameter
in
5.12
6.07
mm
130.0
154.2
NS821 Thermoplastic Split Sprocket Information
Bore Diameter (Shaft-Ready)
Round
Square
in
mm
in
mm
min
max
min
max
min
max
min
max
1
1-1/2
25
40
1
1-1/2
25
40
-
Bore Diameter (Idler)
in
min
1
1
Approximate
Weight
mm
max
1-5/8
1-5/8
min
25
25
max
40
40
lbs
2.27
3.22
kg
1.03
1.46
Imperial shaft-ready round bore sprockets are shipped with keyway and setscrew. Metric shaft-ready round bore sprockets are shipped with keyway, but without setscrew. Idler bores are designed to spin freely on the shaft.
TT - 821 - 6
Rexnord ® 821 Series TableTop ® Chain Product Portfolio