Drawing
NBA2504 THIN SECTION BEARING
NBA20319
Thin Section Bearing
NBA20319 Thin Section Bearing Dentification
N: Series
B: Ball bearing (thin section bearing)
A：Bearing Type_angular contact ball bearing
Bore: 203.200 (mm)
Width: 19.050 (mm)
Please download rough drawing of thin section bearing for reference，formal drawing of thin section bearing NBA20319 will be submitted after contact with sales@jcb-bearing.com
Part number comparison
| Same As Specification Of NBA20319 Following Bearing Designation | |||||
| NBA20319 | |||||
NBA20319 Thin Section Bearing Specifications
| Inner Diameter (d) | 1.000″ |
| Inner Diameter Tolerance | -0.0004″– 0″ |
| For Housing ID | 1.375″ |
| Outer Diameter (D) | 1.375″ |
| Outer Diameter Tolerance | -0.0005″ – 0″ |
| Width (B) | 0.1875″ |
| Width Tolerance | +.000 –.005″ |
| Bearing type | Angular contact ball |
| Contact Angle | 30° |
| Seal Type | Open |
| Cross Section | 3/16″ x 3/16″ |
| Weight(lbs) | 0.025 |
| Internal clearance | C0 |
| Operating temperature range | -65 to 250 °F |
| Radial dynamic load capacity | 960 lbf |
| Radial static load capacity | 970 lbf |
| Axial dynamic load capacity | 960 lbf |
| Axial static load capacity | 830 lbf |
| Bearing material | AISI 52100 |
| Ring material | AISI 52100 |
| Separator material | GFR Nylon |
| Separator type | Circular Pocket |
| Maximum rpm | 16840 rpm |
| Bearings designation | – |
NBA20319 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
NBA20319 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 NBA20319 Thin Section Bearing
| Bearing No. | Bearing No. | Bearing No. |
| NBA 20319 | NBA 20319 PK3 | NBA 20319 PK4 |
| NBA 20319 D | NBA 20319 D PK3 | NBA 20319 D PK4 |
| NBA 20319 DD | NBA 20319 DD PK3 | NBA 20319 DD PK4 |
| NBA 20319 T | NBA 20319 T PK3 | NBA 20319 T PK4 |
| NBA 20319 T D | NBA 20319 T D PK3 | NBA 20319 T D PK4 |
| NBA 20319 T DD | NBA 20319 T DD PK3 | NBA 20319 T DD PK4 |
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