JB/T 7048-2011Rolling bearing parts-plastic cage-specifications (English PDF)
滚动轴承 工程塑料保持架 技术条件
This is a limited preview
Buy now to download the full PDF (15 pages)
Need quotation for your management?
Get a formal quotation for JB/T 7048-2011 in 30 minutes.
Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 20, 2011
Implementation date
April 1, 2012
Scope
JB/T 7048-2011 is the English-translated version of 滚动轴承 工程塑料保持架 技术条件.
JB/T 7048-2011 is the Chinese standard "Rolling bearing parts-plastic cage-specifications". Its scope clause reads: This standard specifies technical requirements, test method, inspection rules, package, storage and transport of engineering plastic cages for rolling bearing (hereinafter referred to as cage).
Moreover, this standard specifies technical specification of such engineering plastics for cage as glass fibre reinforced polyamide 66, polyamide 66, glass fibre reinforced polyamide 46 and polyamide 46.
This standard is applicable to the production, inspection and acceptance of cages for bearings whose pitch diameter multiplied by bearing rotation speed is dmn<1.5×106mm·r/min and outside diameter D is less than 320mm.
Found what you need?
Document preview — JB/T 7048-2011
National Standard of the People's Republic of China
- ICS
- 21.100.20
- Replacing
- JB/T 7048-2002
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- 1 Scope
- 2 Normative References
- 3 Terms and Definitions
- 4 Symbols
- 5 Common Structural Type
- 6 Technical Requirements
- 6.1 Materials
- 6.2 Tolerance
- 6.3 Diametral Tensile Strength sigmat
- 6.4 Surface Quality
- 6.5 Rotating Flexibility
- 6.6 Rolling Elements Retainability
- 6.7 Stabilizing Treatment
- 7 Testing Method
- 7.1 Tolerance Measurement
- 7.2 Test of Diametral Tensile Strength
- 7.3 Surface Quality Inspection
- 7.4 Rotating Flexibility Inspection
- 7.5 Inspection of Rolling Elements Retainability
- 8 Inspection Rules
- 9 Package, Storage and Transport
- Appendix A (Normative) Technical Specification of Engineering Plastic for Rolling Bearing Cage
- Appendix B (Normative) Test Methods of Diametral Tensile Strength of Cage
1 Scope
This standard specifies technical requirements, test method, inspection rules, package, storage and transport of engineering plastic cages for rolling bearing (hereinafter referred to as cage). Moreover, this standard specifies technical specification of such engineering plastics for cage as glass fibre reinforced polyamide 66, polyamide 66, glass fibre reinforced polyamide 46 and polyamide 46.
This standard is applicable to the production, inspection and acceptance of cages for bearings whose pitch diameter multiplied by bearing rotation speed is dmn<1.5×106mm·r/min and outside diameter D is less than 320mm.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the dated versions apply to this standard. For undated references, the latest edition of the normative document (include all the amendments) is applicable to this Document.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1033.1-2008Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pycnometer method and titration method
- GB/T 1034-2008Plastics -- Determination of water absorption
- GB/T 1040.1-2006Plastics - Determination of tensile properties - Part 1: General principles
- GB/T 1040.2-2006Plastics – Determination of Tensile Properties – Part 2: Test Conditions for Moulding and Extrusion Plastics
- GB/T 1043.1-2008Plastics -- Determination of Charpy impact properties -- Part 1: Non-instrumented impact test
- GB/T 1634.2-2004Plastics -- Determination of temperature of deflection under load -- Part 2: Plastics and ebonite
Cited by
- GB/T 25763-2024Rolling bearings - Needle roller bearings for automotive transmissions
- GB/T 25764-2024Rolling bearings - Roller bearings for automotive transmissions
- FZ/T 93069-2021Rotor type open-end spinning machine. Bearing of rotor
- GB/T 24604-2021Rolling bearings-Angular contact thrust ball bearings and units for machine tool screws
- FZ/T 92024-2017LZ series bottom roller bearings
- GB/T 307.3-2017Rolling bearings - General technical regulations
Similar standards
Editions of JB/T 7048
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7048-2011 | Rolling bearing parts-plastic cage-specifications | current edition | Current |
| JB/T 7048-2002 | Rolling bearing parts-plastic cage-specifications | previous edition | Superseded |
This page sells the current edition, JB/T 7048-2011. Earlier editions are listed for reference only.
How to Download JB/T 7048-2011
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 1033.1-2008 — Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pycnometer method and titration method
GB/T 1034-2008 — Plastics -- Determination of water absorption
GB/T 1043.1-2008 — Plastics -- Determination of Charpy impact properties -- Part 1: Non-instrumented impact test
Secure payment via Stripe
Payments accepted
JB/T 7048-2011
$85.00