DAIDYNE DDK05 DAIDYNE DDK05. Major Superior Points to Roller Bearing. Superior Points to Roller Bearing. Physical Characteristics

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Tiffany Jordan
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Major Superior Points to Roller Bearing bearing is free from the skew problem. bearing can also be used for sliding motion in the axial direction.

1 Major Superior Points to Roller Bearing bearing is free from the skew problem. bearing can also be used for sliding motion in the axial direction. bearing allows very compact equipment design that does not occupy wide space. In general the bearing price is competitive compared to ball bearings. The bearing exhibits preeminent resistance against fretting corrosion. Superior Points to Roller Bearing Permitted bearing pressure is high. The roller bearing cannot be used under the conditions of highload, low speed operation, reciprocating and intermittent motion where boundary lubrication condition cannot be assured and further at high temperature (+280) or low temperature (-0). bearing can be used in various liquids and gases, or in a vacuum. Standard bearings are stocked and are available for quick delivery. Physical Characteristics Compressive Strength (MPa) Coefficient of Linear Thermal Expansion ( 6 /) Heat Transfer Coefficient (W/m-k) Service Temperature Limit () Friction Coefficient 4 11 (direction parallel to bearing face), (thickness direction) to 0.1 (below 6 m/min, 3.5 to 55 MPa) 0.06 to 0. (6 to 0 m/min, below 3.5 MPa) This product is an environmentally friendly "Lead free bearing." This compound bearing, a "perfect oilless bearing" that does not require any lubricant at all uses polytetrafluoroethylene (PTFE) resin, has excellent low friction characteristics and also optimizes metal properties such as strength and dimensional stability. Characteristics Target Properties Major Applications General industrial machinery, hydraulic equipment, household electric appliances, automotive parts, textile machinery and packaging machinery Features The bearing surface has such low a coefficient of static and dynamic friction that the surface runs smoothly without lubrication, and in addition, the so-called stick and slip phenomenon is eliminated. The bearing can be used in oil as well. The operating temperature range extends from -0 to Adaptable to operations under high-load, impact load, intermittent operation and reciprocating motion. Free from electrostatic induction (When installed, each bearing has an electrical resistance of 1 to per 1 cm 2 wide contact area.) The bearing surface is highly resistant to most industrial chemicals and solvents such as petroleum and alcohol. The bearing will not damage the surface of engaging component (shaft). Extended service life. The bearing is light and thin (max. 3 mm thick), requiring little space and permits compact equipment design. The bearing minimizes operating noise. Friction properties/characteristics of Dry Bearing The graph shows that during the running in stage, part of the surface layer rapidly transfers to the shaft surface to make to the irregularity flat and form a smooth low-wear and low-friction surface. During operation when the surface layer consisting of PTFE mixture becomes thinner friction between the metals of the bearing and the shaft temporarily occurs. Then the PTFE mixture expands due to the heat generated by the friction and the mixture is pushed out from the porous intermediate layer and supplied to the bearing surface very slowly. Therefore no wear occurs on the shaft. <Table 1> Wear of Dry Bearing Wear amount (m) Wear during operation Wear during running-in Operation time (H) Proper Operation of Dry Bearing When the bearing is operated under conditions of high loading, the appearance of the bearing surface changes as the running-in process occurs. When the running in process is complete the bearing surface changes to gray-green colour. However this shows that the bearing has been run in and is operating normally. This change in appearance does not affect the bearing performance and can withstand extended operation. Before running-in Sectional photograph of dry bearing after some hours of running in have elapsed. 19

Bushing K5 B 00 00 Bushing (Bushing Inner Diameter: 3

2 Bushing K5 B Bushing (Bushing Inner Diameter: 3 to 28 mm) Alloy Thickness K5B 03 Chamfer on 21

Bushing K5 B 00 00 Bushing (Bushing Inner Diameter:

3 Bushing K5 B Bushing (Bushing Inner Diameter: to 0 mm) Alloy Thickness K5B 0312 Chamfer on 23

4 0.1 Flanged Bushing K5 F Flange Flanged Bushing K5F 03-7 (Bushing Inner Diameter: 3 to 60 mm) Flange Alloy Thickness 0..1 Flange Thickness R0.5 R3.5 and less Alloy Thickness0.3 Chamfer on 25

Thrust Washer Slide Plate K5 T 00 K5 P 00 Nominal I.D. Thickness Indication Symbol Thrust Washer Slide Plate K5T 06 K5P 0 (Unit: mm) (Unit: mm) Nominal I.D. 6 8 12 14 Part Number K5T06 K5T08 K5T K5T12 K5T14 K5T 8 12 14 I.

125 0 23 25 Housing Recess Depth K5P0 K5P150 K5P0 K5P250 K5P0 K5T K5T K5T K5T 36 44 1.5 0.03 0.08 3.125 0.25 0 28 33 35 1.0 0. 0.05 Width 25 K5T25 28 48 K5T 32 54 43 35 40 45 50 K5T35 K5T40 K5T45 K5T50 48 52 62 66 74 78 2.

5 Thrust Washer Slide Plate K5 T 00 K5 P 00 Nominal I.D. Thickness Indication Symbol Thrust Washer Slide Plate K5T 06 K5P 0 (Unit: mm) (Unit: mm) Nominal I.D Part Number K5T06 K5T08 K5T K5T12 K5T14 K5T I.D. Thickness Knock Pin Hole Dia. P.C.D Housing Recess Depth K5P0 K5P150 K5P0 K5P250 K5P0 K5T K5T K5T K5T Width 25 K5T K5T K5T35 K5T40 K5T45 K5T Knock Pin Hole Dia. I.D. PCD Alloy Thickness 27

B E A R I N G S A N D C OM P O N E N T S

Issue Feb 2017 B E A R I N G S A N D C OM P O N E N T S See also: Bowman Sintered Bearings Catalogue Tel +44 (0)1235 462500 Fax +44 (0)1235 462519 E-mail sales@bowman.co.uk Contents Page Company Profile