NTN 21309CDE4 Self-Aligning Roller Bearing – High-Precision, Heavy-Duty
Basic Info.
| Inner Diameter | 45 mm |
| Outer Diameter | 100 mm |
| Thickness | 25 mm |
| Model NO. | 21309CDE4 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
High-precision double-row roller bearing with aligning capability, suitable for OEM/ODM applications. Features P0–P2 precision ratings, C0–C4 clearance options, and robust construction for demanding radial load conditions. Made in China.
Basic Info.
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- Cylindrical Roller Bearing
- Bearing Block
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- Linear Bearing
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Related Products
Basic Info.
| Inner Diameter | 160 mm |
| Outer Diameter | 290 mm |
| Thickness | 80 mm |
| Model NO. | 22232CDE4 |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
High-precision double-row roller bearing with spherical aligning capability. Made of bearing steel, suitable for heavy radial loads. Features P0–P2 precision ratings, C0–C4 clearance options, and OEM/ODM service. Dimensions: 160×290×80 mm. Origin: China.
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 165 mm |
| Thickness | 65 mm |
| Model No. | 24120CDE4 |
| Bearing Type | Double Row Spherical Roller Bearing |
| Material | Bearing Steel |
High-precision double row spherical roller bearing with radial load capacity, aligning function, and robust construction. Suitable for heavy-duty industrial applications. OEM/ODM supported. Made in China.
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
| Model NO. | 22220 |
| Lubrication | Grease or Oil |
| Material | Bearing Steel |
Introduction
This is a double-row radial spherical roller bearing (model 22220), made of high-grade bearing steel, suitable for heavy-duty applications. It features grease or oil lubrication, precision ratings from P0 to P2, and standard clearances C0/C3/C4. Dimensions: 100×180×46 mm. Origin: China.
Basic Info.
| Inner Diameter | 50–2500 mm |
| Outer Dimension | 400×650×250 mm |
| Model No. | 24180CDE4 |
| Precision Rating | P0 / P6 / P5 / P4 / P2 |
| Clearance | C0 / C3 / C4 |
| Bearing Type | Double-row Radial Spherical Roller Bearing |
High-precision, heavy-duty spherical roller bearing made of bearing steel. Designed for radial loads with self-aligning capability, suitable for OEM/ODM applications. Manufactured in China with global brand compatibility (NTN, NSK, Timken, etc.).
Specifications
| Bore Diameter | 50-2500 mm |
| Outside Dimension | 170*310*86 mm |
| Thickness | 86 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
Description
High-precision roller bearing with double row design, made of durable bearing steel. Suitable for radial loads, featuring aligning capability and unseparated structure. Ideal for OEM/ODM applications with reliable performance.
Basic Info.
| Inner Diameter | 140 mm |
| Outer Diameter | 250 mm |
| Thickness | 88 mm |
| Model No. | 23228CDE4 |
| Bearing Type | Double Row Spherical Roller Bearing |
| Material | Bearing Steel |
High-precision double row spherical roller bearing with radial load capacity, aligning capability, and robust performance. Suitable for heavy-duty industrial applications. Made of premium bearing steel, compliant with P0–P2 precision ratings and C0–C4 clearance options.
Basic Info.
| Inner Diameter | Outer Diameter | Thickness |
|---|---|---|
| 25 mm | 52 mm | 18 mm |
Description
This double-row roller bearing is made of high-quality bearing steel, suitable for radial loads. It features spherical aligning capability, grease or oil lubrication, precision ratings from P0 to P2, and standard clearances C0/C3/C4. Originating from China, it complies with HS Code 8482300000 and is branded BDL.
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 120 mm |
| Thickness | 43 mm |
| Model No. | 22311CAMKE4 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
High-precision double-row roller bearing with spherical aligning capability. Designed for radial loads, made of premium bearing steel, and compliant with P0–P2 precision ratings. Suitable for OEM/ODM applications. Outer dimension range: 50–2500 mm; standard size: 55×120×43 mm.
Basic Info.
| Inner Diameter | 190 mm |
| Outer Diameter | 290 mm |
| Thickness | 100 mm |
| Model NO. | 24038CAMKE4 |
| Bearing Type | Double Row Radial Spherical Roller Bearing |
| Material | Bearing Steel |
High-precision double-row spherical roller bearing with robust alignment capability, suitable for heavy radial loads. Made of premium bearing steel, compliant with P0–P2 precision ratings and C0–C4 clearance options. Widely used in industrial OEM/ODM applications.
Basic Info.
| Inner Diameter | 50 mm |
| Outer Diameter | 2500 mm |
| Thickness | 380×560×180 mm |
| Model No. | 24076CAMKE4 |
| Bearing Type | Double Row Radial Spherical Roller Bearing |
| Material | Bearing Steel |
High-precision double row spherical roller bearing with aligning capability, suitable for heavy radial loads. Made of premium bearing steel, rated P0–P2, with clearance options C0/C3/C4. Designed for OEM/ODM applications. Origin: China. HS Code: 8482300000.
Basic Info.
| Inner Diameter | 150 mm |
|---|---|
| Outer Diameter | 270 mm |
| Thickness | 73 mm |
| Model NO. | 22230CDE4 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
High-precision double-row roller bearing with spherical aligning capability, suitable for heavy radial loads. Features P0–P2 precision ratings, C0–C4 clearance options, and robust construction using premium bearing steel. Ideal for OEM/ODM applications in industrial machinery.
Basic Info.
| Inner Diameter | 90 mm |
| Outer Diameter | 140 mm |
| Thickness | 50 mm |
| Model NO. | 24018CDKE4 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
High-precision double-row radial roller bearing with spherical aligning capability. Rated P0–P2, clearance C0–C4, suitable for OEM/ODM applications. Outer dimension range: 50–2500 mm; standard spec: 90×140×50 mm. Made in China, compliant with HS Code 8482300000.

















