Asahi/NTN/NSK UC312-UC316 Pillow Block Bearings – High-Load, Pre-Lubricated Insert Bearings
Basic Info.
| Inner Diameter | 12 mm |
|---|---|
| Outer Diameter | 47 mm |
| Thickness | 31 mm |
| Model No. | UC312 |
| Material | Bearing Steel |
| Feature | High Load |
UC312 is a high-load single-row deep groove insert bearing made of premium bearing steel. Compact dimensions (12×47×31 mm), grease or oil lubrication, and rich stock availability ensure reliability and fast delivery. Suitable for OEM/ODM applications.
Basic Info.
- Needle Bearing
- Cylindrical Roller Bearing
- Auto Bearing
- Thrust Needle Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Alloy Guide Rail
- Deep Groove Ball Bearing
- Plain Bearing
- Spherical Roller Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Thrust Ball Bearing
- Self-Aligning Ball Bearing
- Thrust Self-aligning Roller Bearing
- Pillow Block Bearing
Related Products
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 180 mm |
| Width | 96 mm |
| Model No. | UC317 |
| Material | Bearing Steel |
| Feature | High Load, Deep Groove Raceway |
Description
Precision insert bearing with high load capacity and deep groove raceway design. Made from high-quality bearing steel, ensuring durability and performance. Available in various precision ratings (P0-P4) and vibration levels. Suitable for industrial applications requiring reliable operation under heavy loads. Lubrication compatible with grease or oil. OEM/ODM service supported.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 30 mm |
| Width | 134 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Feature | High Load |
Description
UCP204 Insert Bearing with high load capacity, deep groove raceway design, and precision options P0-P6. Ideal for industrial applications requiring durability and performance. Available in rich stock with OEM/ODM service.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 100 mm |
| Width | 55.6 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
Description
UC211 Insert Bearing features a deep groove raceway design for high load capacity and smooth operation. Made from high-quality bearing steel with precision ratings up to P4, it ensures reliable performance. Suitable for various industrial applications, this bearing is available in rich stock and supports OEM/ODM services.
Specifications
| Bore Diameter | 65 mm |
| Outer Diameter | 120 mm |
| Width | 65.1 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
The UC213 Insert Bearing features a deep groove raceway design for high load capacity and smooth operation. Made from high-quality bearing steel with precision ratings up to P4, it ensures reliable performance. Suitable for various industrial applications, it supports both grease and oil lubrication and is available in rich stock for fast delivery.
Specifications
| Bore Diameter | 60 mm |
| Outer Diameter | 110 mm |
| Width | 65.1 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
Description
UCT212 Insert Bearing features a deep groove raceway and high load capacity. Made from premium bearing steel with precision ratings up to P4, it ensures reliable performance. Suitable for various industrial applications, this bearing supports OEM/ODM services and is available in rich stock for fast delivery.
Specifications
| Bore Diameter | 55mm |
| Outer Diameter | 170mm |
| Width | 146mm |
| Model NO. | UCT211 |
| Material | Bearing Steel |
| Feature | High Load |
Description
High-performance insert bearing with deep groove raceway design, suitable for heavy-duty applications. Made from high-quality bearing steel with precision ratings up to P4. Ideal for industrial machinery requiring reliability and durability.
Specifications
| Bore Diameter | 100 mm |
| Outer Diameter | 170 mm |
| Width | 42 mm |
| Material | Cast Iron Housing, GCr15 Steel Insert |
| Type | Pillow Block Bearing |
| Feature | High Speed, Corrosion Resistant |
Description
UCFL320 pillow block bearing features deep groove raceway design for high speed and smooth operation. Made with cast iron housing and GCr15 steel insert, it offers excellent durability and corrosion resistance. Suitable for wide temperature ranges and industrial applications.
Specifications
| Bore Diameter | Different models and sizes |
| Outer Diameter | Based on model Ucf UC UCP UCFL series |
| Width | Single row design |
| Material | Cast Iron housing, Gcr15/AISI 52100 Steel insert |
| Type | Pillow Block – 4 Bolt Flange Units |
| Feature | Corrosion & Heat Resistant, High Speed, Deep Groove Raceway |
Description
Pillow block bearing units with cast iron housing and chrome steel insert offer reliable performance in high temperature, corrosive, and high-speed environments. Ideal for industrial applications requiring durability and precision.
Specifications
| Bore Diameter | Varies by model |
| Outer Diameter | Varies by model |
| Width | Single row design |
| Material | Cast Iron housing, GCr15 steel insert |
| Type | Pillow Block Bearing |
| Feature | Corrosion & heat resistant, high speed |
Description
Pillow block bearing with deep groove raceway, suitable for high temperature, corrosion resistant, and high-speed applications. Made of cast iron and GCr15/AISI 52100 steel, ideal for industrial use.
Specifications
| Bore Diameter | 75 mm |
| Outer Diameter | 130 mm |
| Width | 77.8 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
UCFL215 Insert Bearing with high load capacity, deep groove raceway design, and single row configuration. Made from premium bearing steel, it ensures durability and performance. Suitable for various industrial applications with flexible lubrication options and available in rich stock for fast delivery.
Specifications
| Bore Diameter | Varies by model |
| Outer Diameter | Model-dependent |
| Width | Single row design |
| Material | Cast Iron housing, Gcr15/AISI 52100 Steel insert |
| Type | Pillow Block Bearing Unit |
| Operating Conditions | High/Low temperature, corrosion resistant, high speed |
Description
Pillow block bearing units with deep groove raceway design, suitable for high-speed and extreme temperature applications. Corrosion-resistant, durable construction ensures reliable performance across various industrial environments.
Specifications
| Bore Diameter | Varies by model |
| Outer Diameter | Varies by model |
| Width | Single row design |
| Material | Gcr15/AISI 52100 Steel |
| Housing | Cast Iron |
| Type | Pillow Block Bearing |
Description
High-performance pillow block bearing with deep groove raceway, corrosion-resistant and suitable for high-speed, low to high temperature applications. Ideal for industrial use.

















