Need pricing for NJ311C4ECP?
Get a competitive quote from our engineering team — no obligation.
NJ311C4ECP
Cylindrical Roller Bearing
NJ311C4ECP
Cylindrical Roller Bearing
ISB Cylindrical Roller Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Need pricing for this part?
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
ISB Cylindrical Roller Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 55mm |
| Outer Diameter (D) | 120mm |
| Width (B) | 29mm |
NJ311C4ECP
Cylindrical Roller Bearing
Technical Specifications
| Part Number | NJ311C4ECP |
| Brand | ISB |
| Bearing Type | Cylindrical Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | NJ311ECJ, NJ311C3ECP, NJ311ECP, NJ311ETVP2, NJ311C3 |
| Bore (Inner Diameter) | 55 mm |
| Outer Diameter | 120 mm |
| Width / Thickness | 29 mm |
Enquire About the ISB NJ311C4ECP
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Technical Datasheet
Download full specifications for NJ311C4ECP — dimensions, load ratings, and material data.
ISB Technical Resources
Equivalent part numbers from other manufacturers that can be used as direct replacements for NJ311C4ECP.
Engineering support
Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.
Call us01709 878282
About the ISB NJ311C4ECP
The ISB NJ311C4ECP, is a cylindrical roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 55mm bore, 120mm outer diameter, and 29mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
ISB Cylindrical Roller Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Key Specifications
The NJ311C4ECP cylindrical roller bearing is specified with 55mm bore (inner diameter), 120mm outer diameter, 29mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Cylindrical Roller Bearings are commonly used in:
About Cylindrical Roller Bearings
Cylindrical roller bearings use cylindrical rollers to handle high radial loads. They are suitable for high-speed applications and can accommodate axial displacement of the shaft relative to the housing.
Why Buy the NJ311C4ECP from Buy Bearings?
- UK-authorised distributor with genuine ISB products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a NJ311C4ECP bearing?
The NJ311C4ECP is a ISB Cylindrical Roller Bearing with a 55mm bore, 120mm outer diameter and 29mm width. It is In Stock at Buy Bearings.
What are the NJ311C4ECP dimensions?
The NJ311C4ECP measures 55mm bore (inner diameter) × 120mm outer diameter × 29mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
What is the NJ311C4ECP cross-reference?
The NJ311C4ECP is interchangeable with NJ311ECJ, NJ311C3ECP, NJ311ECP, NJ311ETVP2, NJ311C3. Contact our team to confirm an exact equivalent for your application.
Is the NJ311C4ECP in stock?
The NJ311C4ECP is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same cylindrical roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
Related Parts — Seals & Bushings
Matching seals and bushings for 55mm shaft diameter — complementary components for your bearing.
