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Hydrodynamic Forces
January 1, 1991 - CRC

Produced for the International Association for Hydraulic Research, this monograph covers fluctuating and mean hydrodynamic forces, hydrodynamic forces on high-head gates, and hydrodynamic forces on low-head gates i.e. only the forces induced by flow incident or past the...

SAE J643 - Hydrodynamic Drive Test Code
December 1, 2018 - SAE

The range of test conditions on the dynamometer shall be sufficient to determine the primary operating characteristics corresponding to the full range of vehicle operations. The characteristics to be determined are: Torque ratio versus speed ratio and output speed Input speed versus speed ratio and...

ISO 7902-1 - Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 1: Calculation procedure
November 1, 2013 - ISO

This part of ISO 7902 specifies a calculation procedure for oil-lubricated hydrodynamic plain bearings, with complete separation of the shaft and bearing sliding surfaces by a film of lubricant, used for designing plain bearings that are reliable in operation. It deals with...

SAE J640 - Symbols for Hydrodynamic Drives
July 1, 2011 - SAE

The following system of symbols is recommended for use in technical papers and engineering reports dealing with hydrodynamic drives.

Changes in Plain Bearing Technology
November 28, 2012 - SAE

Preface I was determined that before the end of my professional life I would document my experience in the field of plain bearings. While this is limited to metallic hydrodynamic bearings, it is no depreciation of other bearings such as lowmaintenance, sintered, and synthetic bearings. It...

ISO DIS 6281 - Plain bearings - Testing under conditions of hydrodynamic and mixed lubrication in test rigs
January 14, 2019 - ISO

This document establishes guidelines for the testing of lubricated plain journal bearings in test rigs, running under conditions of hydrodynamic or mixed lubrication, during bearing and/or material development. It deals with both static and dynamic loading in solid and multi‑layer...

ISO 19349 - Plain bearings with liquid lubrication — Lubricant supply arrangements and monitoring
March 1, 2019 - ISO

This document provides requirements and guidance on lubricant supply arrangements and monitoring for liquid-lubricated bearings (plain bearing assemblies) such as those specified in ISO 11687 (all parts). This document is intended to assist the design of oil-based lubrication systems...

ISO 12130-1 - Plain Bearings - Hydrodynamic Plain Tilting Pad Thrust Bearings Under Steady-State Conditions - Part 1: Calculation of Tilting Pad Thrust Bearings
November 15, 2001 - ISO

The aim of ISO 12130 is to achieve designs of plain bearings that are reliable in operation by the application of a calculation method for oil-lubricated hydrodynamic plain bearings with complete separation of the thrust collar and plain bearing surfaces by a film of lubricant....

GME B 040 1037 - Bearing shell lubricating oil
November 1, 2016 - GME

Application: For the circulation lubrication of the bearing shell to Hatebur presses.

ISO DIS 21866-1 - Plain bearings — Automotive engine bearing test rig using actual connecting rods — Part 1: Test rig
March 11, 2019 - ISO

This document specifies the requirements for an engine bearing test rig that uses an actual connecting rod to determine plain bearing performance in automotive engines, evaluating fundamental bearing properties such as seizure resistance, wear resistance, fatigue resistance and...

SAE J459 - Bearing and Bushing Alloys
January 1, 2018 - SAE

The bearing performance of steel backed half bearings, bushings, and washers is dependent on the properties and thickness of the lining alloy, the strength and dimensional stability of the steel backing (usually SAE 1010) and the strength of the bond between the lining alloy and the backing....

ISO 4384-1 - Plain bearings — Hardness testing of bearing metals — Part 1: Multilayer bearings materials
February 1, 2019 - ISO

This document specifies parameters for the hardness testing of compound materials for plain bearings made from steel and bearing metal with bearing metals based on copper and aluminium, manufactured by casting, sintering or bonding. It represents a supplement to the existing...

ISO DIS 12128 - Plain bearings — Lubrication holes, grooves and pockets — Dimensions, types, designation and their application to bearing bushes
March 15, 2019 - ISO

This document specifies dimensions for lubrication holes, grooves and pockets for bearing bushes. These dimensions can be entered, e.g. on drawings, using the designation examples. Their use depends in particular on the specific operating conditions. In addition, it enables the user to...

ISO DIS 21250-1 - Rolling bearings - Noise testing of rolling bearing greases - Part 1: Basic principles, testing assembly, test machine
February 8, 2019 - ISO

This document specifies - basic principles, testing assembly and the test machine for noise testing of rolling bearing greases; - symbols used by the test methods BQ+, MQ and NQ. This document is applicable for testing bearing greases and especially lubricating greases made for...

SAE ARP5483 - Rolling Element Bearing Test Methods
July 1, 2017 - SAE

This SAE Aerospace Recommended Practice (ARP) establishes methods for testing airframe rolling element bearings. The purpose of ARP5483 and its associated slash sheets is to document test methods commonly used to evaluate airframe bearings. These test methods may be referenced in standards,...

ISO DIS 21250-3 - Rolling bearings - Noise testing of rolling bearing greases - Part 3: Test and evaluation method MQ
February 8, 2019 - ISO

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance to the method MQ. The present standard applies jointly with ISO 21250-1.

ISO DIS 21250-2 - Rolling bearings - Noise testing of rolling bearing greases - Part 2: Test and evaluation method BQ+
February 8, 2019 - ISO

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method BQ+. The present standard applies jointly with ISO 21250-1.

SAE ARP5448/7 - Plain Bearing Wear Measurement
December 1, 2016 - SAE

This standard details two methods of inspecting PTFE lined spherical or journal bearing wear outside the test apparatus. The methods described herein are applicable only to bearings which were unidirectionally loaded and the area of sliding wear is known and held constant throughout the...

SAE ARP5448 - Plain Bearing Test Methods
October 1, 2013 - SAE

This SAE Aerospace Recommended Practice (ARP) establishes methods for testing airframe plain bearings. The purpose of ARP5448 and its associated slash sheets is to document test methods commonly used to evaluate airframe bearings. These test methods may be referenced in specifications, part...

DNVGL-CG-0283 - Calculation methods for shaft alignment
December 1, 2018 - DNVGL

The class guideline provide details of methods used to carry out viscous CFD calculations to predict the hydrodynamic propeller loads and finite element analysis (FEA) to estimate the propeller shaft aft bearing contact pressure. In addition, an alternative for aft bearing...

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