Bdl NK29/20 NK29/30 NK30/20 Needle Roller Bearings – High-Load, Precision Factory Direct
Basic Info.
| Inner Diameter | 29 mm |
| Outer Diameter | 38 mm |
| Thickness | 20 mm |
| Load Direction | Radial Bearing |
| Type | Closed |
| Material | Bearing Steel |
Introduction
Needle roller bearing NK29/20, compact radial design without inner/outer ring. Made of high-grade bearing steel, pre-lubricated with grease or oil. Precision ratings P0–P2, clearance options C0/C3/C4. Dimensions: 29×38×20 mm. OEM/ODM supported. Fast delivery (3–7 days).
Basic Info.
Related Products
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 | 120 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model No. | RNA4822 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4822 needle roller bearing features radial load direction, no inner/outer ring design, and high-precision options (P0–P2). Suitable for compact applications requiring high load capacity and low friction. Lubricated with grease or oil, compliant with HS code 8482102000. Made in China.
Basic Info.
| Inner Diameter | 14 mm |
| Outer Diameter | 22 mm |
| Thickness | 16 mm |
| Type | Needle Roller Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
This needle roller bearing (Model: RNA4900X2A) features compact dimensions (14×22×16 mm), radial load capability, and high-precision options (P0–P2). Made of premium bearing steel, it supports grease or oil lubrication and is ideal for space-constrained applications requiring high load capacity and low friction.
Basic Info.
| Inner Diameter | 110 mm |
| Outer Diameter | 140 mm |
| Thickness | 30 mm |
| Model NO. | NA4822 |
| Type | Closed Needle Roller Bearing |
| Material | Bearing Steel |
Introduction
This NA4822 closed needle roller bearing features radial load direction, no inner/outer ring design, grease or oil lubrication, and high precision options (P0–P2). Made of bearing steel, it measures 110×140×30 mm and is manufactured in China with OEM/ODM service available.
Basic Info.
| Inner Diameter | 285 mm |
| Outer Diameter | 320 mm |
| Thickness | 60 mm |
| Model No. | RNA4852 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
Introduction
This RNA4852 needle roller bearing is a radial, ringless design made of high-grade bearing steel. It features closed construction, supports grease or oil lubrication, and offers precision grades P0–P2 with clearance options C0/C3/C4. Ideal for OEM/ODM applications.
Basic Specifications
| Inner Diameter | 68 mm |
| Outer Diameter | 85 mm |
| Thickness | 25 mm |
| Model No. | RNA4912 |
| Type | Needle Roller Bearing, Closed, Without Outer/Inner Ring |
| Material | Bearing Steel |
Product Description
This IKO RNA4912 needle roller bearing is a high-precision radial bearing made of bearing steel. Compact design (68×85×25 mm), closed type, suitable for grease or oil lubrication. Features P0–P2 precision grades and C0–C4 clearance options. OEM/ODM supported. Made in Japan.
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 | 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.
Specifications
| Bore Diameter | Customized |
| Outer Diameter | Varies by model |
| Width | Standard size |
| Material | Bearing Steel |
| Type | Open, Without Inner/Outer Ring |
| Load Direction | Radial Bearing |
Description
Precision needle roller bearing, ideal for high-load radial applications. Made from durable bearing steel, it operates efficiently without inner or outer rings. Suitable for compact mechanical systems requiring low friction and high performance. Origin: China, HS Code: 8482102000.
Basic Info.
| Inner Diameter | 55 mm |
| Outer Diameter | 80 mm |
| Thickness | 25 mm |
| Model No. | NA4911 |
| Type | Needle Roller Bearing, Closed |
| Material | Bearing Steel |
High-precision needle roller bearing (NA4911) with radial load capacity, compact 55×80×25 mm dimensions, grease/oil lubrication, and P0–P2 precision options. Made in China, OEM/ODM supported.
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
| 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.