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16 k

Chesterton ® Hydraulic/Pneumatic Division
16K Metric Bearing Band Strips
16K - Product Data
The 16K Metric Bearing
Band Strips are the solution
to costly cylinder re-machining
and repairs for large diameter
equipment. The bearing
material is made from a
thermoset polyester resin
reinforced with synthetic fabric
specifically designed to support
heavy loads. The exceptional
physical properties and built-in
PTFE lubricants make it suitable
for use on rams or pistons in
reciprocating applications.
Features & Benefits:
■ Prevent metal to metal
scoring and prolong
equipment life.
■ Reduce radial movement
on both rams and pistons
therefore extending seal life.
■ Built-in lubricant allows for
lower coefficient of friction
between mating surfaces.
■ Retrofit existing bearing
grooves and eliminate
unnecessary modifications.
■ Available in common sizes
which minimizes inventory
costs.
■ Cut to size from coil and
accommodate equipment
over 300 mm in diameter.
Size & Availability:
Metric
Cross section
(S), mm
Groove Width
(L), mm
15 mm
20 mm
25 mm
25 mm
30 mm
2.5 mm
4.0 mm
*Diameter Range
(d/D), mm
Item #
126300
124782
124058
124783
126301
300 mm to 1575 mm
* Standard coil length is 5 meters (~16 feet) in length.
Operating Conditions:
Metric (Imperial)
Temperature
-40˚ C to 121˚ C (-40˚ F to 250˚ F)
Operating Speed, maximum
1.0 m/sec (200 ft/min)
Compressive Strength
345 N/mm (50,000 psi)
2
Coefficient of Friction – dry
0.15
Recommended Surface Finishes – µ m (µ Inch)
■ Static Surface
■ Dynamic Surface
Telephone: 1- 978-469 -6421 Fax: 1- 978-469 -6731
0.2
(8)
0.4
(16)
0.6
(24)
0.8
(32)
1.0
(40)
1.2
(48)
1.4
(56)
www.chesterton.com
Chesterton ® Hydraulic/Pneumatic Division
16K Metric Bearing Band Strips
16K - Product Data
L
D
L
d2
P
d
C
D3
Note: Diagram is for dimensional purposes only and should not be used for designing a rod or piston gland.
Design Criteria:
Design:
16K Metric Bearing Band Strip
Bearing Band Cross-section:
S = 2.5 & 4.0 mm
Groove width tolerance:
L+ 0.25/ -0.00 mm
Cross-sectional Tolerance:
S + 0.00 / - 0.08 mm
Dia. Range
mm
Min.
Rod Gland
Diameter
Rod Bearing
Groove Diameter
Piston
Diameter
Piston Bearing
Groove Diameter
*C
D3
*P
d2
Max.
300
630
d + 0.75
d + 2 (S + 0.08)
+ 0.05
– 0.00
630
1000
d + 0.75
d + 2 (S + 0.10)
+ 0.05
– 0.00
D - 0.75
D – 2 (S + 0.12)
– 0.00
– 0.05
d + 0.75
d + 2 (S + 0,13)
+ 0.05
– 0.00
D - 0.75
D – 2 (S + 0.15)
– 0.00
– 0.05
> 1000
D - 0.75
D – 2 (S + 0.08)
– 0.00
– 0.05
*Maximum clearance up to 207 bar (3,000 psi).
Cutting Instructions: To obtain the proper length bearing strip for rod or piston
Outside Diameter, millimeter
Gap, millimeter
> 30 mm or < 630 mm
5 mm
> 630 mm or < 1000 mm
7 mm
> 1000 mm
9 mm
Rod: (rod diameter + cross section of bearing strip) x 3.14 - gap from the chart
Piston: (bore diameter - cross section of bearing strip) x 3.14 + gap from the chart
Technical Data reflects results of laboratory tests and is intended to indicate general characteristics only. A.W. CHESTERTON CO.
DISCLAIMS ALL WARRANTIES EXPRESSED, OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE OR USE. LIABILITY, IF ANY, IS LIMITED TO PRODUCT REPLACEMENT ONLY.
Hydraulic/Pneumatic Division
DISTRIBUTED BY:
A Supporting Member of FSA/ESA
Middlesex Industrial Park, 225 Fallon Road,
Stoneham, Massachusetts 02180-9101 USA
Telephone: 781-438-7000 Fax: 781-438-8971
www.chesterton.com
© A.W. CHESTERTON CO., 2002. All rights reserved.
® Registered trademark owned and licensed by A.W. CHESTERTON CO.
in USA and other countries.
FORM NO. 071330
PRINTED IN USA 9/02