Standard No.:	GB/T 299-2008
Chinese Name:	滚动轴承 双列圆锥滚子轴承 外形尺寸
English Name:	Rolling bearings - Double row tapered roller bearings - Boundary dimensions
Professional Classification:	J11 Rolling bearing
Professional Classification:	GB National Standard
ICS Classification:	21.100.20 Rolling bearings
Issued by:
Issued on:	2008-02-28
Implemented on:	2008-08-01
Status:	VALID
Replace:	GB/T299-1995 Rolling bearings—Metric double row tapered roller bearings—Boundary dimensions
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	195 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the boundary dimensions of double row tapered roller bearings.
This standard is applicable to double row tapered roller bearings and is used for the bearing manufacturer's design and the customer's type selection.

2 Normative References

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections 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 documents referred to applies.
GB/T 273.1-2003 Rolling Bearings - Tapered Roller Bearing - Plan of Boundary Dimensions (ISO 355: 1977, MOD)
ISO 355: 2007 Rolling Bearings - Tapered Roller Bearings - Boundary Dimensions and Series Designations

3 Symbols (See Figure 1)

GB/T273.1-2003 滚动轴承 圆锥滚子轴承 外形尺寸总方案(ISO355:1977,MOD)
ISO355:2007 滚动轴承 圆锥滚子轴承 外形尺寸和系列代号