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JB/T 6639-2004   Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications (English Version)
Standard No.: JB/T 6639-2004 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 3000 words Price(USD):90.0 remind me the price change

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Implemented on:2004-6-1 Delivery: via email in 1 business day
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Standard No.: JB/T 6639-2004
English Name: Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications
Chinese Name: 滚动轴承零件骨架式丁腈橡胶密封圈技术条件
Chinese Classification: J11    Rolling bearing
Professional Classification: JB    Professional Standard - Machinery
ICS Classification: 21.100.20 21.100.20    Rolling bearings 21.100.20
Issued by: SDPC
Issued on: 2004-2-10
Implemented on: 2004-6-1
Status: superseded
Superseded by:JB/T 6639-2015 Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications
Superseded on:2016-3-1
Superseding:JB/T 6639-1993
Language: English
File Format: PDF
Word Count: 3000 words
Price(USD): 90.0
Delivery: via email in 1 business day
Rolling Bearing Parts—Skeleton Acrylonitrile-buta-diene Copolymers Seal —Specifications 1 Scope This standard specifies the sizing material and skeleton of skeleton rubber seal ring (hereinafter referred to as seal ring) for deep groove ball bearings, and technical requirements, inspection and assessment methods, inspection rules and marks, packaging and transportation of finished products. This standard is applicable to vulcanized acrylonitrile butadiene rubber (NBR) seal ring for sealed deep groove ball bearings specified in JB/T 7752-1995. 2 Normative References The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding amending errors) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies. GB/T 528-1998 Rubber,Vulcamized or Thermoplastic--Determination of Tensile Stress-strain Properties(eqv ISO 37: 1994) GB/T 531-1999 Rubber-Determination of Indentation Hardness by Means of Pocket Hardness Meters (idt ISO 7619: 1986) GB/T 1682-1994 Rubber, Vulcanized-Determination of Low-temperature Brittleness(Single Test Piece Method) (eqv ISO 812: 1991) GB/T 1689-1998 Rubber Vulcanized—Determination of Abrasion Resistance (Akron machine) (neq BS 903:Part A9:1988) GB/T 1690-1992 Rubber, Vulcanized - Determination of the Effect of Liquids (neq ISO 1817: 1985) GB/T 2361-1992 Rust Preventing Oils and Greases - Test Method of Wet Heat (neq JIS K 2246:1989) GB/T 2828-1987 In-batch Inspection Computation Sampling Procedure and Sampling Table (applicable to in-batch inspection) GB/T 3512-2001 "Rubber Vulcanized or Thermoplastic-Accelerated Ageing and Heat Resistance Tests-Air-oven Method" (eqv ISO 188:1998) GB/T 3522-1983 Cold-rolled Quality Carbon structural Steel Strips GB/T 5721-1993 General Rules of Indentification, Packaging, Transportation and Storage for Rubber Sealing Products GB/T 7759-1996 Rubber, Vulcanized or Thermoplastic-Determination of Compression Set at Ambient Elevated or Low Temperatures (eqv ISO 815: 1991) GB/T 11211-1989 Rubber Vulcanized - Determination of Adhesion to Metal-Tension Method" (neq ISO 814: 1986) JB/T 7752-1995 Sealed Deep Groove Ball Bearings - Specifications 3 Technical Requirements 3.1 Sizing material for seal ring 3.1.1 Sizing material for seal ring is vulcanized nitrile butadiene rubber. Refer to Table 1 for the indexes for physical properties of vulcanized nitrile butadiene rubber. Table 1
Referred in JB/T 6639-2004:
*GB/T 528-1998/XG1-2007 Rubber,vulcamized or thermoplastic--Determination of tensile stress-strain properties
*GB/T 531-1999 Rubber-Determination of indentation hardness by means of pocket hardness meters
*GB/T 1682-1994 Rubber, vulcanized-Determination of low-temperature brittleness(single test piece method)
*GB/T 1689-1998 Rubber vulcanized - Determination of abrasion resistance ( Akron machine)
*GB/T 1690-1992 Rubber, vulcanized-Determination of the effect of liquids
*GB/T 2361-1992 Rust preventing oils and greases—Test method of wet heat
*GB/T 2828-1987 Sampling procedures and tables for lot-by-lot inspection by attributes (Apply to inspection of successive lots or batches)
*GB/T 3512-2001 Rubber,vulcanized or thermoplastic--Accelerated ageing and heat resistance tests--Air-oven method
*GBT3522-1983
*GB/T 5721-1993 General rules of indentification,packaging,transportation and storage for rubber sealing products
*GB/T 7759-1996 Rubber, Vulcanized or thermoplastic - Determination of compression set at ambient elevated or low temperatures
*GBT11211-1989
*JB/T 7752-1995
JB/T 6639-2004 is referred in:
* GB/T 25763-2010 Rolling bearings - Needle roller bearings for automotive transmission
* JB/T 3232-2006 Rolling bearings-Needle roller bearings for universal joints
* JB/T 3370-2011 Rolling bearings ― Cylindrical roller bearings for universal joints
* JB/T 8167-2006 Rolling bearings-Alternator bearings for automotive-Specifications
* JB/T 8563-2010 Rolling bearings-Water pump bearings
* JB/T 8880-2010 Rolling bearings-Deep groove ball bearings for electric motors-Specifications
* JB/T 8925-2008 Specificaiton of automobile U-joint cross assembly
* JB/T 10188-2010 Rolling bearings-Thrust bearings for automobile king pin
* JB/T 10238-2011 Automotive wheel bearing units
* JB/T 10857-2008 Rolling bearings—Disc bearings for agricultural machinery
* JB/T 10859-2008 Rolling bearings—Tensioner and idler bearings and units for automotive engine
Code of China
Standard
JB/T 6639-2004  Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications (English Version)
Standard No.JB/T 6639-2004
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count3000 words
Price(USD)90.0
Implemented on2004-6-1
Deliveryvia email in 1 business day
Detail of JB/T 6639-2004
Standard No.
JB/T 6639-2004
English Name
Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications
Chinese Name
滚动轴承零件骨架式丁腈橡胶密封圈技术条件
Chinese Classification
J11
Professional Classification
JB
ICS Classification
Issued by
SDPC
Issued on
2004-2-10
Implemented on
2004-6-1
Status
superseded
Superseded by
JB/T 6639-2015 Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications
Superseded on
2016-3-1
Abolished on
Superseding
JB/T 6639-1993
Language
English
File Format
PDF
Word Count
3000 words
Price(USD)
90.0
Keywords
JB/T 6639-2004, JB 6639-2004, JBT 6639-2004, JB/T6639-2004, JB/T 6639, JB/T6639, JB6639-2004, JB 6639, JB6639, JBT6639-2004, JBT 6639, JBT6639
Introduction of JB/T 6639-2004
Rolling Bearing Parts—Skeleton Acrylonitrile-buta-diene Copolymers Seal —Specifications 1 Scope This standard specifies the sizing material and skeleton of skeleton rubber seal ring (hereinafter referred to as seal ring) for deep groove ball bearings, and technical requirements, inspection and assessment methods, inspection rules and marks, packaging and transportation of finished products. This standard is applicable to vulcanized acrylonitrile butadiene rubber (NBR) seal ring for sealed deep groove ball bearings specified in JB/T 7752-1995. 2 Normative References The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding amending errors) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies. GB/T 528-1998 Rubber,Vulcamized or Thermoplastic--Determination of Tensile Stress-strain Properties(eqv ISO 37: 1994) GB/T 531-1999 Rubber-Determination of Indentation Hardness by Means of Pocket Hardness Meters (idt ISO 7619: 1986) GB/T 1682-1994 Rubber, Vulcanized-Determination of Low-temperature Brittleness(Single Test Piece Method) (eqv ISO 812: 1991) GB/T 1689-1998 Rubber Vulcanized—Determination of Abrasion Resistance (Akron machine) (neq BS 903:Part A9:1988) GB/T 1690-1992 Rubber, Vulcanized - Determination of the Effect of Liquids (neq ISO 1817: 1985) GB/T 2361-1992 Rust Preventing Oils and Greases - Test Method of Wet Heat (neq JIS K 2246:1989) GB/T 2828-1987 In-batch Inspection Computation Sampling Procedure and Sampling Table (applicable to in-batch inspection) GB/T 3512-2001 "Rubber Vulcanized or Thermoplastic-Accelerated Ageing and Heat Resistance Tests-Air-oven Method" (eqv ISO 188:1998) GB/T 3522-1983 Cold-rolled Quality Carbon structural Steel Strips GB/T 5721-1993 General Rules of Indentification, Packaging, Transportation and Storage for Rubber Sealing Products GB/T 7759-1996 Rubber, Vulcanized or Thermoplastic-Determination of Compression Set at Ambient Elevated or Low Temperatures (eqv ISO 815: 1991) GB/T 11211-1989 Rubber Vulcanized - Determination of Adhesion to Metal-Tension Method" (neq ISO 814: 1986) JB/T 7752-1995 Sealed Deep Groove Ball Bearings - Specifications 3 Technical Requirements 3.1 Sizing material for seal ring 3.1.1 Sizing material for seal ring is vulcanized nitrile butadiene rubber. Refer to Table 1 for the indexes for physical properties of vulcanized nitrile butadiene rubber. Table 1
Contents of JB/T 6639-2004
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Keywords:
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