NBA13912 thin section bearing
NBA13912
Thin Section Bearing
NBA13912 thin section bearing Dentification
N: Series
B: Ball bearing (thin section bearing)
A：Bearing Type_angular contact ball bearing
Bore: 139.700 (mm)
Width: 12.700 (mm)
Please download rough drawing of thin section bearing for reference，formal drawing of thin section bearing NBA13912 will be submitted after contact with sales@jcb-bearing.com
Part number comparison
| Same As Specification Of NBA13912 Following Bearing Designation | |||||
| KD055AR0 | KD055AR0*JCB | CSED055 | NBA13912 | RD055AR0 | SD055AR0 |
NBA13912 Thin Section Bearing Specifications
| Inner Diameter (d) | 5.500″ |
| Inner Diameter Tolerance | -0.0010″ – 0″ |
| For Housing ID | 6.500″ |
| Outer Diameter (D) | 6.500″ |
| Outer Diameter Tolerance | -0.0010″ – 0″ |
| Width (B) | 0.5000″ |
| Width Tolerance | +.000 –.005″ |
| Bearing type | Angular contact ball |
| Contact Angle | 30° |
| Seal Type | Open |
| Cross Section | 1/2″ x 1/2″ |
| Weight(lbs) | 1.060 |
| Internal clearance | C0 |
| Operating temperature range | -65 to 250 °F |
| Radial dynamic load capacity | 7660 lbf |
| Radial static load capacity | 13680 lbf |
| Axial dynamic load capacity | 7660 lbf |
| Axial static load capacity | 11150 lbf |
| Bearing material | AISI 52100 |
| Ring material | AISI 52100 |
| Separator material | Brass |
| Separator type | Circular Pocket |
| Maximum rpm | 3330 rpm |
| Bearings designation | – |
NBA13912 Thin Section Bearing Descriptions
1、BEARING INSIDE STRUCTURE ：
NBA : Radial Type
NBC : Angular Type
NBX : Four-Point Contact Type
2、Bore Diameter:25.4-127.0 mm
NBA13912 thin section bearing
3、SEPARATOR OR CAGE ：
No Symbol : Pressed Brass Cage
T : Synthetic Resin Cage
4、SEAL SYMBOL :
No Symbol : Open Type
D : Sealed On One Side
DD : Sealed On Both Sides
5、INTERNAL CLEARANCE :
| Nominal Bearing Bore Diameter(d:mm) | Single Plane Mean Bore Diameter Deviation(⊿dmp:μm) | Single Plane Mean Outside Diameter Deviation(⊿Dmp:μm) | Deviation of a Single Inner Ring Width(⊿Bs:μm) | Radial Internal Clearance(μm) | |||||
| over | incl | high | low | high | low | high | low | min | max |
| – | 25.400 | 0 | -10 | 0 | -13 | 0 | -127 | 25 | 38 |
| 25.400 | 38.100 | 0 | -13 | 0 | -13 | 0 | -127 | 30 | 43 |
| 38.100 | 63.500 | 0 | -15 | 0 | -13 | 0 | -127 | 30 | 56 |
| 63.500 | 76.200 | 0 | -15 | 0 | -15 | 0 | -127 | 30 | 56 |
| 76.200 | 101.600 | 0 | -20 | 0 | -15 | 0 | -127 | 41 | 66 |
| 101.600 | 114.300 | 0 | -20 | 0 | -20 | 0 | -127 | 41 | 66 |
| 114.300 | 127.000 | 0 | -25 | 0 | -20 | 0 | -127 | 51 | 76 |
| 127.000 | 165.100 | 0 | -25 | 0 | -25 | 0 | -127 | 51 | 76 |
| 165.100 | 177.800 | 0 | -25 | 0 | -30 | 0 | -127 | 51 | 76 |
| 177.800 | 228.600 | 0 | -30 | 0 | -30 | 0 | -127 | 61 | 86 |
| 226.600 | 304.800 | 0 | -36 | 0 | -36 | 0 | -127 | 71 | 97 |
| 304.800 | 355.600 | 0 | -36 | 0 | -36 | 0 | -254 | 71 | 97 |
| 355.600 | 457.200 | 0 | -41 | 0 | -41 | 0 | -254 | 81 | 107 |
| 457.200 | 762.000 | 0 | -46 | 0 | -46 | 0 | -254 | 91 | 117 |
| 762.000 | 1016.000 | 0 | -51 | 0 | -51 | 0 | -254 | 102 | 127 |
5、ACCURACY CLASS：
PK1 , PK3 , PK4
Similar Products Of NBA13912 Thin Section Bearing
| Bearing No. | Bearing No. | Bearing No. |
| NBA 13912 | NBA 13912 PK3 | NBA 13912 PK4 |
| NBA 13912 D | NBA 13912 D PK3 | NBA 13912 D PK4 |
| NBA 13912 DD | NBA 13912 DD PK3 | NBA 13912 DD PK4 |
| NBA 13912 T | NBA 13912 T PK3 | NBA 13912 T PK4 |
| NBA 13912 T D | NBA 13912 T D PK3 | NBA 13912 T D PK4 |
| NBA 13912 T DD | NBA 13912 T DD PK3 | NBA 13912 T DD PK4 |
Contact Information
Luoyang JCB Bearing Technology Company Limited
Company Address: No. 285, Fenghua Road, High-tech Development Zone, Luoyang Area, (Henan) Free Trade Zone of China.
Postal code : 471000
Phone : 0086-379-6861-1678 Fax : 0086-379-6861-1679
E-mail: sales@jcb-bearing.com
Reserved E-mail: jcb-bearing@hotmail.com
WhatsApp：+8618603795853
Website: www.jcb-bearing.com
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