LFRTrack Roller BearingsNPP Rubber Seals

LFR50/4NPP

d 4 × D 13 × B 7 mm

The LFR50/4NPP is a track roller bearing with bore 4mm, outer diameter 13mm, and width 7mm rated for dynamic load 1.1 kN.

Request Quote for LFR50/4NPP Search Similar

LFR50/4NPP — representative product photo — Representative product

LFR50/4NPP · 4x13x7 mm

📋 Technical Specifications

Bore (d)

4mm

Outer Dia. (D)

13mm

Width (B)

7mm

Dynamic Load (Cr)

1.05 kN(1050 N)

Static Load (C0r)

0.85 kN(850 N)

Reference Speed

Confirm per inquiryrpm

Bearing type	Track Roller Bearings
Series	LFR
Seal type	NPP Rubber Seals
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Confirmed per drawing
Dimension unit	millimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	4
Outer diameter (D)	13
Width (B)	7

Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.

📑 Drawings & 3D Model

📑

2D Drawing

Request drawing →

📅

3D STEP Model

Request STEP →

🔎

CAD File

Request CAD →

Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).

⇄ Same-size Bearings & Reference Options

The models below share the 4x13x7 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.

No other catalog models share the same boundary dimensions.

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differSimilar size — reference only, verify all interfaces

⚙ Typical Applications

Linear guide systems

Conveyor systems

Cam followers

Automated machinery

Packaging equipment

Robotics

Why choose NLHB?

NLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.

About NLHB →

4,315

Catalog Models

15+

Years

RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of LFR50/4NPP?

The LFR50/4NPP bearing has bore (d) = 4 mm, outer diameter (D) = 13 mm, and width (B) = 7 mm.

What is the load rating of LFR50/4NPP?

Dynamic load rating (Cr) = 1.05 kN (1050 N), static load rating (C0r) = 0.85 kN.

What bearing series does LFR50/4NPP belong to?

The LFR50/4NPP belongs to the LFR within the Track Roller Bearings category.

Can NLHB supply LFR50/4NPP equivalents from other brands?

Depending on the model and order requirements, NLHB may manufacture in-house or source through qualified partner factories. Interchange and supply route are confirmed against your specification before quotation. All trademarks belong to their respective owners.

How do I order LFR50/4NPP from NLHB?

Click "Request Quote" and send us your quantity, application, and required specifications. We review the specification, supply route, lead time, and pricing before issuing a quotation. Response time depends on specification complexity.

What materials are available for LFR50/4NPP?

Material grade is confirmed per inquiry. Availability depends on the model, quantity, application, and whether the order is manufactured in-house or sourced through a qualified partner factory. Material certificates or inspection documents are confirmed before quotation when required.

Get a quote for LFR50/4NPP

Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.

Request Quote →