
JB/T 7917-1999 Rolling bearings - Dimensions of cylindrical roller bearings with bevel rings
time:
1999-06-28 15:00:00
- JB/T 7917-1999
- in force
Standard ID:
JB/T 7917-1999
Standard Name:
Rolling bearings - Dimensions of cylindrical roller bearings with bevel rings
Chinese Name:
滚动轴承 圆柱滚子轴承斜挡圈 外形尺寸
Standard category:
Machinery Industry Standard (JB)
-
Date of Release:
1999-06-28 -
Date of Implementation:
2000-01-01
Standard ICS number:
Mechanical systems and general parts>>Bearings>>21.100.20 Rolling bearingsChina Standard Classification Number:
Machinery>>General Parts>>J11 Rolling Bearing
alternative situation:
JB/T 7917-1995 (original standard number GB 4665-1984)Procurement status:
idt ISO 246:1995
Focal point Organization:
National Technical Committee for Standardization of Rolling Bearings

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Summary:
This standard is equivalent to ISO 246:1995 "Rolling bearings, cylindrical roller bearings, oblique retaining rings, dimensions", and is a revision of JB/T 7917-95 "Rolling bearings, cylindrical roller bearings, oblique retaining rings, dimensions". The revisions are as follows: JB/T 7917-1999 Rolling bearings, cylindrical roller bearings, oblique retaining rings, dimensions JB/T7917-1999 Standard download decompression password: www.bzxz.net

Some standard content:
ICS 21.100.20
Machinery Industry Standard of the People's Republic of China
JB/T7917-1999
idtISO246:1995
Rolling bearings
Cylindrical roller bearings-separatethrust collars
Overall dimensions
Rolling bearings-Cylindrical roller bearingsseparatethrustcollars-Boundary dimensionsPublished on 1999-06-28
State Machinery Industry Bureau
Implementation on 2000-01-01
JB/T7917-1999
This standard is equivalent to ISO246:1995 "Rolling bearings-Cylindrical roller bearings-Separatethrustcollars-Boundary dimensions" and is a revision of JB/T7917-95 "Valve column roller bearings-Side dimensions of the bevel collar". This standard has the following technical contents changed: - According to GB/T272-93 "Rolling Bearing Code Method", the text description of the diameter series has been changed; - The r value has been added;
- The outer diameter symbol has been changed to d,:
- The size segment has been increased or decreased.
This standard replaces JB/T7917-95 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Rolling Bearings. The responsible drafting unit of this standard: Luoyang Bearing Research Institute. The main drafter of this standard: Song Yucong.
This standard was first issued as GB4665-84 in August 1984 and adjusted to JB/T7919-95 in April 1996. JB/T7917-1999
ISO Foreword
ISO246 was formulated by ISO/TC4 Technical Committee for Rolling Bearings. ISO246:1995 (Second Edition) replaces ISO246:1978 (First Edition) and is a technical revision of the first edition. Scope
Mechanical Industry Standard of the People's Republic of China
Rolling bearings
Cylindrical roller bearings-Bevel collars-Boundary dimensions
Rolling bearings-Cylindrical roller bearingsseparate thrust collars-Boundary dimensionsJB/T 79171999
idt ISO 246 : 1995
Replaces JB/T7917-1995
This standard specifies the width, maximum outer diameter, inner diameter and minimum chamfer of inner hole for bevel collars for cylindrical roller bearings of diameter series 2, 3 and 4 in GB/T283.
Cited Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the version 4 shown is valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T274-1991 Rolling bearing assembly chamfer limit GB/T283-1994 Rolling bearing cylindrical roller bearing dimension 3 Symbols and abbreviations
Symbols and abbreviations are shown in Figure 1.
Unless otherwise specified, the symbols shown in Figure 1 and the table represent nominal dimensions. d: Inner diameter of the bevel retaining ring
d: Outer diameter of the bevel retaining ringWww.bzxZ.net
B,: Width of the bevel retaining ring
: Single chamfer size of the inner hole
\: Minimum single chamfer size allowed
Approved by the State Machinery Industry Bureau on 1999-06-28 and implemented on 2000-01-01
4 Overall dimensions
JB/T7917-1999
The overall dimensions of the bevel retaining ring shall comply with the provisions of Table 1. Table 1 Overall dimensions
Diameter series
1) The corresponding maximum chamfer size is specified in GB/T274; B,
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
Machinery Industry Standard of the People's Republic of China
JB/T7917-1999
idtISO246:1995
Rolling bearings
Cylindrical roller bearings-separatethrust collars
Overall dimensions
Rolling bearings-Cylindrical roller bearingsseparatethrustcollars-Boundary dimensionsPublished on 1999-06-28
State Machinery Industry Bureau
Implementation on 2000-01-01
JB/T7917-1999
This standard is equivalent to ISO246:1995 "Rolling bearings-Cylindrical roller bearings-Separatethrustcollars-Boundary dimensions" and is a revision of JB/T7917-95 "Valve column roller bearings-Side dimensions of the bevel collar". This standard has the following technical contents changed: - According to GB/T272-93 "Rolling Bearing Code Method", the text description of the diameter series has been changed; - The r value has been added;
- The outer diameter symbol has been changed to d,:
- The size segment has been increased or decreased.
This standard replaces JB/T7917-95 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Rolling Bearings. The responsible drafting unit of this standard: Luoyang Bearing Research Institute. The main drafter of this standard: Song Yucong.
This standard was first issued as GB4665-84 in August 1984 and adjusted to JB/T7919-95 in April 1996. JB/T7917-1999
ISO Foreword
ISO246 was formulated by ISO/TC4 Technical Committee for Rolling Bearings. ISO246:1995 (Second Edition) replaces ISO246:1978 (First Edition) and is a technical revision of the first edition. Scope
Mechanical Industry Standard of the People's Republic of China
Rolling bearings
Cylindrical roller bearings-Bevel collars-Boundary dimensions
Rolling bearings-Cylindrical roller bearingsseparate thrust collars-Boundary dimensionsJB/T 79171999
idt ISO 246 : 1995
Replaces JB/T7917-1995
This standard specifies the width, maximum outer diameter, inner diameter and minimum chamfer of inner hole for bevel collars for cylindrical roller bearings of diameter series 2, 3 and 4 in GB/T283.
Cited Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the version 4 shown is valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T274-1991 Rolling bearing assembly chamfer limit GB/T283-1994 Rolling bearing cylindrical roller bearing dimension 3 Symbols and abbreviations
Symbols and abbreviations are shown in Figure 1.
Unless otherwise specified, the symbols shown in Figure 1 and the table represent nominal dimensions. d: Inner diameter of the bevel retaining ring
d: Outer diameter of the bevel retaining ringWww.bzxZ.net
B,: Width of the bevel retaining ring
: Single chamfer size of the inner hole
\: Minimum single chamfer size allowed
Approved by the State Machinery Industry Bureau on 1999-06-28 and implemented on 2000-01-01
4 Overall dimensions
JB/T7917-1999
The overall dimensions of the bevel retaining ring shall comply with the provisions of Table 1. Table 1 Overall dimensions
Diameter series
1) The corresponding maximum chamfer size is specified in GB/T274; B,
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
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