51201 Stamping Steel Cage, Bore 12 Mm, Axial Deep Groove Ball Bearings, Single Direction
The 51201 Thrust ball bearings are widely used in various small and medium-sized equipment requiring axial load capacity, including: automotive steering systems, machine tool spindles, industrial gearboxes, crane hooks, centrifuges, and precision instruments.
The 51201 bearing is a Axial deep groove ball bearings, Single direction with an inner diameter of 12 mm , an outer diameter of 28 mm, a width of 11 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15, GCr15SiMn rings, GCr15, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 12758 N, its static axial rated load is approximately 18736 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: NSK 51201X, KOYO 51201, NACHI 51201, FAG 51201, SKF 51201, STEYR 51201, SNR 51201, RHP 51201, NTN 51201,
51201 bearings ( 12 mm x 28 mm x 11 mm) have the advantages of Suitable for high-speed applications, capable of withstanding unidirectional axial loads, with low friction and easy installation, and are therefore widely used in the Machine tool spindles, automotive steering systems, pumps, industrial machinery and instruments.
| Part Number | 51201 |
| Bearing Type | Axial deep groove ball bearings, Single direction |
| Interchangeable | FAG 51201 |
| Cage | JP = Stamping steel cage |
| Accuracy class | PN (ABEC-1) |
| Series [lb] | 512 series (512) |
| Bearing Mass - m | 0.0705 |
| Dimension | |
| Inside - d φ [inch] | 0.4724 |
| Outside - D Φ [inch] | 1.1024 |
| Thickness - T [inch] | 0.4331 |
| D1 [inch] | 0.5512 |
| d1 [inch] | 1.1024 |
| chamfer - r(min.) [inch] | 0.0236 |
| Performance | |
| Dynamic Axial - Ca [lbf] | 2867 |
| Static Axial - C0a [lbf] | 4211 |
| Fatigue Axial - Cua [lbf] | 177 |
| Speed ratings (grease) - nB [min–1] | 16829 |
| Speed ratings (oil) - nG [min–1] | 9982 |
| Mounting dimensions | |
| da(min.) [inch] | 0.8661 |
| Da(max.) [inch] | 0.7087 |
| ra(max.) [inch] | 0.0236 |
| Minimum load coefficient | |
| A | 0.002 |
The 51201 Thrust ball bearings mainly consist of a shaft ring (which mates with the shaft), a housing ring (which mates with the bearing housing), steel balls, and a cage. They feature a separable design for easy installation and maintenance. Some models include dust covers or sealed structures.
Thrust ball bearings have high axial load capacity, are suitable for bearing pure axial loads, have high limiting speeds, low friction coefficients, and smooth operation. Their separable structure simplifies installation, results in a compact size, and minimizes space requirements.
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