AMERICAN BUREAU OF SHIPPING

  ABS RULES FOR BUILDING AND CLASSING STEEL VESSEL, 2017   ALIGNMENT Part 4 Chapter 3 Sec 2   5.15 Tail Shaft Bearings 5.15.1 Water-lubricated Bearings The length of the bearing, next to and supporting the propeller, is to be not less than four times the required tail-shaft diameter. However, for bearings of rubber, reinforced …

BUREAU VERITAS

  Rules for the Classification of Steel Ships, July 2018 PART C – Machinery, Electricity, Automation and Fire Protection ALIGNMENT PT C, Ch 1 Sec 7 2.4 Stern tube bearings 2.4.1 Oil lubricated aft bearings of antifriction metal a) The length of bearings lined with white metal or other antifriction metal is to be not …

DNV GL

  DNV GL RULES FOR CLASSIFICATION SHIP July 2019 Part 4 Chapter 2 Section 4 ALIGNMENT 1 General 1.1 Application 1.1.1 This subsection is only applicable for propulsion plants. For geared plants, the calculations in this section are only applicable for the low speed shaft line, which shall include the output gear shaft with radial …

INDIAN REGISTER OF SHIPPING

  RULES AND REGULATIONS FOR THE CONSTRUCTION AND CLASSIFICATION OF STEEL SHIPS, July 2015 ALIGNMENT Pt 4 Ch 4 Sec 6 6.16 Stern tube and bearings 6.16.1 The length of the bearing in the sternbush next to and supporting the propeller is to be as follows: a) For water lubricated bearings which are lined with …

KOREAN REGISTER OF SHIPPING

  RULES FOR THE CLASSIFICATION OF STEEL SHIPS, 2016 ALIGNMENT GUIDANCE Pt 5 Ch 1 Sec 2 2. In application to 202. 2 (5) of the Rules, where considered necessary by the Society is the following (1), and shaft alignment calculations are to comply with the following (2) and (3). (1) Shaft alignment calculations for …

Lloyd’s Register

  Rules and Regulations for the Classification of Ships, January 2016 Part 5 Main and Auxiliary Machinery, Chapter 8 Shaft vibration and Alignment ALIGNMENT Section 5 Shaft alignment 5.1 General 5.1.1 Shaft alignment calculations are to be carried out for main propulsion shafting rotating at propeller speed, including the crankshaft of direct drive systems or …

REGISTRO ITALIANO NAVALE

  RULES FOR CLASSIFICATION OF SHIP, JANUARY 2016 ALIGNMENT Part C Ch 1 Sec 7 2.4 Stern tube bearings 2.4.1 Oil lubricated aft bearings of antifriction metal a) The length of bearings lined with white metal or other antifriction metal and with oil glands of a type approved by the Society is to be not …

TURK LOYDU MACHINERY

  JAN 2016 ALIGNMENT Machinery Sec 5 6.2 Stern tube bearings 6.2.1 Inside the stern tube the propeller shaft should normally be supported by two bearing points. In short stern tubes, the forward bearing may be dispensed with, in which case at least one free-standing journal bearing should be provided. 6.2.2 Where the propeller shaft …