PT. SHJ Tek is doing our best to provide our customers with products that have undergone thorough material selection and strict quality control. We will always listen to our customers to help them operate stable conveyor system.
MATERIAL SPECIFICATION:
Shaft Cold
drawn steel; S235JRG2 (EN 10027-1); St 37 (DIN 17100), Shaft diameter 20, 25,
30, 40 steel bars, ground to ISO h6 or g6 tolerance, in the seal zones or all
along the shaft.
Tube Welded
tube according to DIN 2394, Material S235JRG2 (EN 10027-1); St 37 (DIN 17100)
Bearing housings Cold pressed and calibrated ISO M7 tolerance.
Thickness mm: SHJ 1=2.5, SHJ 2=3, SHJ 3/4=3.5,
SHJ 5=4, SHJ /7-FHD=5.
Inner seal Lip
seal; material ISO PA 6 (Nylon 6).
Bearing Deep
groove precision ball bearings, DIN series 62 and 63.
SHJ 1=6204, SHJ 2=6205, SHJ 3=6305, SHJ 4=6206,
SHJ 5=6306, SHJ /7-FHD=6308, C3 or C4
increased clearance.
Labyrinth seal Triple lip; material ISO PA 6 (Nylon 6).
Cover cap Cold
pressed steel for deep drawing EN 10111-DD13.
Outer seal ring Rubber sliding V-ring; material anti-abrasive, low friction,
anti-ozone
NBR nitrile rubber.
Protective shield Mechanical protection bushing against rocks and shocks.
Material: POM polymer or alternatively
non-corrosive alloy Zama 13 according to roller types and
application corrosiveness grade.
Lubrication: Life lubricated at the factory roller assembly with water repellent,
Anti rust,
long life Lithium grease NLGI grade 2,
Roller body protection: Various protection types are available depending on the market
and application. Typical types of
protections are:
• various types of paint
• zinc plating
• various types of rubber lagging
