Manufactured by CHG Bearing, the R1* is a precision Inch Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 1.397 mm bore diameter, a 4.762 mm outer diameter, and a 1.984 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.
R1* - Inch Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | R1* |
| Dimensions | |
| Bore Diameter (d) | 1.397 mm |
| Width (B) | 1.984 mm |
| Outer Diameter (D) | 4.762 mm |
| Open Width B | 1.984 mm |
| Radius rs min | 0.1 mm |
| Flange Df | 5.944 mm |
| Closed Width B1 | 2.779 mm |
| Open Flange Width Bf | 0.584 mm |
| Closed Flange Width Bf1 | 0.787 mm |
| Performance | |
| Dynamic Load Cr (N) | 232 N |
| Static Load C0r (N) | 67 N |
| Grease Speed (x1000 rpm) | 90 x1000 rpm |
| Oil Speed (x1000 rpm) | 110 x1000 rpm |
| Design Configurations | |
| Open Model | R1* |
| Flanged Open Model | FR1* |
| Shielded Model | R1ZZ* |
| Flanged Shielded Model | FR1ZZ* |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 6 |
| Ball Size Dw | 1 mm |
| Shielded Weight (g) | 0.19 g |
| Flanged Shielded Weight (g) | 0.25 g |
| Open Weight (g) | 0.15 g |
| Flanged Open Weight (g) | 0.19 g |
R1* 4.762 mm 1.397 mm 1.984 mm Frequently Asked Questions about R1* Inch Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of R1* Inch Miniature Deep Groove Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Sourcing R1* 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.
Built for demanding industrial environments, the R1* Inch Miniature Deep Groove Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
Quality starts with raw material selection: CHG Bearing crafts R1* inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
