NA4924/NA4926/NA4928 Needle Roller Bearings – High-Precision, Low-Friction Factory Direct
Basic Info.
| Inner Diameter | 120 mm |
|---|---|
| Outer Diameter | 165 mm |
| Thickness | 45 mm |
| Model No. | NA4924 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (NA4924) with radial load capacity, grease/oil lubrication, P0–P2 precision ratings, C0–C4 clearance options. Compact 120×165×45 mm design, made in China, OEM/ODM supported.
Basic Info.
Related Products
Basic Info.
| Inner Diameter | 415 mm |
| Outer Diameter | 480 mm |
| Thickness | 100 mm |
| Model No. | RNA4876 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
High-precision needle roller bearing (RNA4876) with radial load direction, no inner/outer ring design. Made of bearing steel, grease or oil lubricated. Available in P0–P2 precision and C0–C4 clearance. Compact 415×480×100 mm size, ideal for OEM/ODM applications. Made in China.
Basic Info
| Inner Diameter | 360 mm |
| Outer Diameter | 440 mm |
| Thickness | 80 mm |
| Model No. | NA4872 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
Introduction
High-precision needle roller bearing (NA4872) with radial load capacity. Made of premium bearing steel, closed design, grease/oil lubricated. Dimensions: 360×440×80 mm. Suitable for OEM/ODM applications. Precision ratings P0–P2; clearances C0–C4. Fast delivery (3–7 days) from China.
Basic Info
| Inner Diameter | 300 mm |
| Outer Diameter | 380 mm |
| Thickness | 80 mm |
| Model No. | NA4860 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Description
This NA4860 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision options (P0–P2). It supports grease or oil lubrication, offers standard clearances (C0/C3/C4), and is manufactured in China under BDL brand. Compact 300×380×80 mm size suits heavy-duty applications.
Basic Info.
| Inner Diameter | 220 mm |
| Outer Diameter | 250 mm |
| Thickness | 50 mm |
| Model No. | RNA4840 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4840 is a high-precision radial needle roller bearing without inner and outer rings. Designed for compact applications, it features grease or oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, it offers OEM/ODM service and fast delivery (3–7 days).
Basic Info.
| Inner Diameter | 160 mm |
| Outer Diameter | 190 mm |
| Thickness | 50 mm |
| Model No. | RNA4928 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4928 is a high-precision radial needle roller bearing without inner and outer rings. Designed for compact applications, it features grease or oil lubrication, standard P0–P2 precision ratings, and C0–C4 clearance options. Made in China, it offers reliable performance in demanding industrial environments.
Basic Info.
| Inner Diameter | 125 mm |
| Outer Diameter | 150 mm |
| Thickness | 40 mm |
| Model No. | RNA4922 |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
High-precision needle roller bearing (RNA4922) with radial load capacity. Features compact design (125×150×40 mm), grease/oil lubrication, P0–P2 precision ratings, and C0–C4 clearance options. Made in China, OEM/ODM supported.
Basic Info.
| Inner Diameter | 52 mm |
| Outer Diameter | 68 mm |
| Thickness | 22 mm |
| Model No. | RNA4909 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4909 needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and precision ratings from P0 to P2. Made in China with BDL trademark, it offers high load capacity and compact dimensions (52×68×22 mm).
Basic Info.
| Inner Diameter | 40 mm |
| Outer Diameter | 55 mm |
| Thickness | 20 mm |
| Type | Needle Roller Bearing, Closed, Without Outer & Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
NKI40/20 is a radial needle roller bearing made of high-grade bearing steel. Compact and precision-engineered (P0–P2), it features no inner or outer ring, ideal for space-constrained applications. Supplied with standard clearance (C0/C3/C4) and ready for OEM/ODM use. Fast delivery: 3–7 days.
Basic Info.
| Inner Diameter | 350 mm |
| Outer Diameter | 400 mm |
| Thickness | 80 mm |
| Model No. | RNA4864 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4864 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision ratings (P0–P2). It supports grease or oil lubrication, offers standard clearances (C0–C4), and is manufactured in China under the BDL brand. Ideal for OEM/ODM applications with fast delivery (3–7 days).
Product Parameters
| Bore Diameter | Different models and sizes |
| Outer Diameter | Different models and sizes |
| Width | Different models and sizes |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C2, C3, C4, C5 |
Description
High precision radial bearing without inner ring, offering long service life and low noise performance. Suitable for various industrial applications with OEM/ODM service available. Made in China, packed in neutral packaging.
Basic Info.
| Inner Diameter | 185 mm |
| Outer Diameter | 215 mm |
| Thickness | 45 mm |
| Model No. | RNA4834 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
RNA4834 is a high-precision radial needle roller bearing without inner and outer rings. Made of premium bearing steel, it features compact dimensions (185×215×45 mm), grease/oil lubrication, and precision ratings from P0 to P2. Ideal for OEM/ODM applications with fast 3–7 day delivery.
Basic Info.
| Model NO. | KR13 KR16 KR019 KR22 KR26 |
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 |
| Vibration Level | Z1 Z2 Z3 Z4 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Introduction
High-performance angular contact ball bearings designed for precision machinery. Made of premium bearing steel with strict precision (P0–P4) and low vibration (Z1–Z4) ratings. Ideal for high-speed, low-noise, long-life applications. OEM/ODM supported. HS Code: 8482102000.