ASTM B67-93

Standard Specification for Car and Tender Journal Bearings, Lined

General Information

• Status: Historical
• Publication Date: 31-Dec-1992
• ICS: 43.040.50 - Transmissions, suspensions
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.05 - Castings and Ingots for Remelting

Standards Content (Sample)

ASTM 867 93 m 0759530 0534452 757 m
AMERICAN COCIEW MR TESTING AND MATERIALS
Designation: B 67 - 93
1916 Race St PWadelphia, Pa 19103
4TQ
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
If not ïicted in the current combined hdex, wUI appear in the next edition
Standard Specification for
Car and Tender Journal Bearings, Lined'
This standard is issued under the fixed designation B 67: the number immediately following the designation indicates thc ?car of
original adoption or. in the cn,w or rcvision. ihc yciir or Iiist rcvisioii. A niiinhcr in piirenllicscs iiidiciiles ihc yciir ofliisl rciiplmiviil. A
supcrscripi cpsiloii (1) iiidicuics a11 cdiioriiil chaiigc siiicc ilic last rcvisioii or rciip~~roviil.
This siutidard lios beeti upproved for irse by agencies of ilie Depurir,ioil r!l Dc:/¿?isi~. C~mrfl/ //IL, BOD 1tidiJ.v i!l'S/J(l~~/;ccriioiis onil
Stunh-ds,/or IIIP .speci/ic yiw vf issire ithidi /ius bcwi udiìp/c. practice. After lining, the ends of the bearings .all be made
1. Scope
smooth by scraping, filing, or machining. They shall not be
1.1 This specification covers lined journal bearings for use
ground or rubbed with abrasive materials.
on locomotive tenders, passenger cars, and freight equipment
4.2 The purchaser reserves the right to inspect the brass
cars, Copper Alloy UNS No. C941OO2.
backs after boring and previous to tinning and lining.
1.2 The values stated in inch-pound units are to be
4.3 Unless otherwise specified, bearings will be furnished
regarded as the standard. The values given in parentheses are
with linings 1/4 in. (6.35 mm) in thickness.
for information only.
4.4 The bearings may be produced by any method that
will meet the requirements of this specification.
2. Referenced Documents
2. I ïïic ïollowing docuinciits oï tlic issuc iii cíl'cci on datc
5. Cliciiiiciil Coinposition of Bucking
of material purchase form a part of this specification to the
5. I The backing metal shall conform to the requirements
extent referred herein:
for major elements shown in Table 1.
2.1, I ASTM Srandards:
5.2 These specification limits do not preclude the pres-
E 29 Practice for Using Significant Digits in Test Data to
ence of other elements. Limits may be established for
Determine Conformance with Specifications3
unnamed elements by agreement between manufacturer or
E 54 Test Methods for Chemical Analysis of Special
supplier and purchaser. Copper or zinc may be given as
Brasses and Bronzes4
remainder and may be taken as the difference between the
E 57 Method for Chemical Analysis of White Metal
sum of all elements analyzed and 100 %. When all major
Bearing Alloys5
elements in Table I are analyzed, their sum shall be 98.7 %
E 527 Practice for Numbering Metals and Alloys (UNS)6
minimum.
5.3 It is recognized that residual elements may be present
3. Ordering Information
in cast copper-base alloys. Analysis shall be made for residual
3.1 Orders for material under this specification shall elements only when Supplementary Requirement S5 is
include the following information: specified in the inquiry or purchase order.
3. i. 1 Quantity of bearings required,
6. Chemical Composition of Lining
3.1.2 Specification title, number, and year of issue,
3. I .3 Pattern and drawing number,
6. I The lining metal shall conform to the requirements of
3,1.4 Chemical analysis of residual elements, if specified
Table 2 as to chemical composition.
in the purchase order (Section 5 and S5),
7. Examination of Fracture
3.1.5 Fracture testing (Section 7),
3.1.6 Inspection (Section 14), and
7.1 The finished bearing representing a lot for acceptance
3.1.7 Marking (Section 16).
shall be broken, either longitudinally or transversely, or both,
in order to ascertain the uniformity of the grain of the metal.
4. Materials and Manufacture
When this fracture shows separation or imperfect mixing of
4.1 Before lining, the brass backs shall be bored and
component parts, or dross or dirt spots, the lot shall be
thoroughly tinned in accordance with the best standard
rejected.
8. Dimensions and Permissible Variations
This specification is under the jurisdiction of ASTM Committee B-5 on
8.1 The purchaser shall furnish drawings showing the
Copper and Copper Alloys and is the direct responsibility of B05.05 on Castings
dimensions of the bearings ordered and permissible varia-
and Ingois for Remelting.
Curmni cdition approveJ Jan. 15, 1993. Publishcd March 1993. Originally
tions therefrom, and the bearings shall conform to these
published as .B 67 - 27 T, replacing B 17 - 21. Last previous edition B 67 - 90''.
drawings within such permissible variations.
* The UNS system for copper and copper alloys (see Practice E 527) is a simple
8.2 The thickness at the center of the brass and of the
expansion of the îormer standard designation system accomplished by the addition
or D prefix "c" and a suffx "OO." Th
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