Stainless Steel Non-standard Bearing Stainless Steel Miniature Bearings,Stainless Steel Deep Groove Ball Bearings,Non Standard Stainless Steel Bearings,Non Standard Ball Bearing Yuyao Shuguang stainless steel bearing Co., LTD , https://www.shuguangbearing.comSKF Double Row Cylindrical Roller Bearing Type Suffix Explanation
Understanding the suffixes of **SKF double row cylindrical roller bearings** is essential for selecting the right bearing for your application. These suffixes provide detailed information about the bearing's design, internal clearance, cage type, and other specifications.
Here’s a breakdown of common suffixes used in SKF double row cylindrical roller bearings:
- **B**: Indicates a double-row bearing with a brass cage.
- **BK**: A double-row bearing with a steel cage and a K-type retaining ring.
- **CN**: Normal radial internal clearance. Usually used in combination with other suffixes to indicate the size of the clearance.
- **H**: Indicates a larger clearance, corresponding to the upper half of the standard clearance range.
- **L**: Indicates a smaller clearance, corresponding to the lower half of the standard clearance range.
- **M**: Indicates a medium clearance, falling between the upper and lower halves of the standard range.
- **P**: Indicates an increased clearance, similar to the upper half but slightly larger than H.
- The above letters are often used with clearance classes such as **C2, C3, C4, and C5**, which define different levels of internal clearance:
- **C1**: Less than C2
- **C2**: Standard clearance
- **C3**: Greater than normal
- **C4**: Greater than C3
- **C5**: Greater than C4
Other common suffixes include:
- **F**: Machined steel cage with intermediate rolling elements.
- **FB**: Steel cage with outer ring as the center.
- **HA1**: Inner ring surface hardened.
- **HA2**: Outer ring surface hardened.
- **HA4**: Roller surface hardened.
- **HB1**: Inner and outer rings bainite hardened.
- **HB2**: Outer ring bainite hardened.
- **HB3**: Inner ring bainite hardened.
- **K**: Tapered bore with a 1:12 taper.
- **KTN9**: Tapered bore with TN9 cage.
- **K30**: Tapered bore with a 1:30 taper.
- **M**: Machined copper cage with P4 precision.
- **P4**: Precision level 4 (higher than P5).
- **P5**: Precision level 5 (higher than P6).
- **P6**: Precision level 6 (higher than standard).
- **SP**: Special precision for machine tool bearings (equivalent to P5 in accuracy, P4 in rotation).
- **SPCN**: SP + CN (special precision with normal clearance).
- **SPC2**: SP + C2 (special precision with reduced clearance).
- **TN9**: Glass fiber reinforced nylon 66 cage.
- **UP**: Ultra-precision for machine tool bearings (equivalent to P4 in accuracy, higher in rotation).
- **VE900**: Standard specification.
- **W33**: Outer ring with annular groove and three oil holes.
- **W33X**: Outer ring with annular groove and six oil holes.
This guide helps engineers and technicians choose the correct bearing based on specific requirements such as load capacity, speed, and environmental conditions.
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**Related Bearing Knowledge**
Concept of double-row tapered roller bearings, stamping bearings, painting techniques, car bearing protection tips, INA bearing oil stains, SKF bearing hydrostatic bearing saver.
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**References:**
This article is sourced from China Bearing Network. For more information, visit [http://www.chinabearing.net](http://www.chinabearing.net).
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*Note: This content has been rewritten and expanded to meet the character requirement while maintaining clarity and relevance.*
*Created on 2017/12/25*
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SKF double row cylindrical roller bearing type suffix explanation
**SKF Double Row Cylindrical Roller Bearing Type Suffix Explanation**
Home > Bearing Knowledge > SKF Double Row Cylindrical Roller Bearing Type Suffix Explanation
*Created on 2018/5/16*
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Source: China Bearing Network | Time: 2014-01-05
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