Manufactured by CHG Bearing, the R133 (open) is a precision Inch Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 2.38 mm bore diameter, a 4.762 mm outer diameter, and a 1.588 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
R133 (open) - Inch Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | R133 (open) |
| Dimensions | |
| Bore Diameter (d) | 2.38 mm |
| Width (B) | 1.588 mm |
| Outer Diameter (D) | 4.762 mm |
| Open Width B | 1.588 mm |
| Radius rs min | 0.1 mm |
| Flange Df | 5.944 mm |
| Open Flange Width Bf | 0.457 mm |
| Performance | |
| Dynamic Load Cr (N) | 189 N |
| Static Load C0r (N) | 60 N |
| Grease Speed (x1000 rpm) | 80 x1000 rpm |
| Oil Speed (x1000 rpm) | 95 x1000 rpm |
| Design Configurations | |
| Open Model | R133 |
| Flanged Open Model | FR133 |
| Shielded Model | - |
| Flanged Shielded Model | - |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 7 |
| Ball Size Dw | 0.8 mm |
| Open Weight (g) | 0.1 g |
| Flanged Open Weight (g) | 0.13 g |
R133 (open) 4.762 mm 2.38 mm 1.588 mm Frequently Asked Questions about R133 (open) Inch Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing R133 (open) directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Inch Miniature Deep Groove Ball Bearings.
The Open Type engineered for R133 (open) by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for R133 (open). Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
To match diverse operational dynamics, CHG Bearing supplies R133 (open) with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
