70 Years of Quality ~ ISO 9001:2008 Registered
   Engineering Data: DP- 3 Dynamic Pivot Tensioner

All York Size 3 Tensioners Include:

301 stainless steel construction for strength and harsh environments Designs tested to over one million cycles
Operating temperatures possible from -60F to +185F Survives salt spray, dust, and condensing high humidity environments with proper bearings
Choice of idler pulley profiles - flat, 2mm GT, 3mm GT,
.080 (MXL) or 3mm HTD
Idler pulleys available with sealed ball bearings, self
lubricating plastic sleeves in aluminum pulleys or self
lubricating all plastic pulleys
Ease of assembly with self locking, reusable Phillips
hardware in 6-32 threads
Idler pulley retaining clip withstands minimum of
10 lbs (4.5 kg) pull force/side force on pulley
Downloadable CAD files for tensioners and pulleys Dynamic tensioners include reference markings to aid
in setting belt tension during assembly and service
Free access to York's engineering staff for answers to
design and application questions
Conductive grease (sealed ball bearings) or static
dissipative (plastic) to prevent static electricity build-up
on belts
Special mounting bushing to aid in setting belt tension. Idler shafts are 416 stainless steel hardened to
Rockwell C 38-42

Operating Environments:


Idler Pulley/
Bearing Type
Maximum
Operating
Temperature
Minimum
Operating
Temperature
High Dust Environments High
Humidity
Relative
Cost
Max Speed in RPM
Aluminum/
Ball Bearing
185F - may
be limited by
belt max temp
-60F Yes - Sealed
ABEC Bearings
With Conductive
Grease
Yes More
Expensive
Limited by
belt, not
bearing
Aluminum/
Plastic Self Lubricating Sleeve
185F - may be
limited by belt
max temp
-40F OK in most
cases
Yes Moderate -
good for small and medium
volumes
Up to 4,500
RPM
continuous
with up to
9,000 RPM
peak.
One Piece Self
Lubricating
Carbon Filled
Polycarbonate
UL V94-0
Flammability
180F 20F (consult
York for designs
down to -40F)
Generally not for extremely high dust areas Yes - to 95%
but must be
non conden-
sing
Least Expensive.
Need high volumes if
custom mold required
Up to 4,500
RPM
continuous
with up to
7,000 RPM
peak