01603 720713 My Account

No items in your basket

Abrasives
Cutting, Grinding & Deburring
Finishing & Masking
Surface Prep & Blending
Clearance
Adhesives
Threadlocking
Instant Bonding (Super Glue)
Gasketing
Pipe & Thread Sealing
General Adhesives
Epoxy Adhesives
Retaining
Sealey Glues, Adhesives & Sealants
Spray Adhesives
Activators
Plastic & Leather Adhesives
More Adhesives...
- We have many other types of Adhesives in stock.
- View more...
Bearings
Ball Bearings
Oilite Bearings
Sleeves, Washers & Lock Nuts
Housed & Flanged Bearings
Needle Roller Bearings
Oil Seals & O-rings
Split Bearing Bushes
Linear Bearings & Shaft
Shaft Collars
Ball Transfer Units
Tapered Roller Bearings
More Bearings...
- We have many other types of Bearings in stock.
- View more...
Castors
Ball Transfer Units
Light Duty Castors
Stainless Steel
Castor Wheels Only
Industrial Castors
Heavy Duty Castors
Pallet Rollers (Pallet Trucks)
Levelling Castors
Set of 4
Expanders
Gate Castors
More Castors...
- We have many other types of Castors in stock.
- View more...
Janitorial
Cleaners & Degreasers
Wipes, Hand Sanitiser & Skincare
Blue & White Roll
Cloths, Rags & Sponges
Rubble & Bin Bags
Domestic Cleaning Products
Brushes, Brooms & Mops
Surface Wipes
Window Cleaning
Hand & Paper Towels
Toilet Roll
More Janitorial...
- We have many other types of Janitorial in stock.
- View more...
Lubricants & Chemicals
Cleaners & Degreasers
Grease
Adhesives
Lubricants
Sprays
Solvents
Kluber
New Tech Lubes
Paints & Spray Paints
Fuchs
Containers, Jugs, Handling & Accessories
More Lubricants & Chemicals...
- We have many other types of Lubricants & Chemicals in stock.
- View more...
Motors & Gearboxes
3 Phase Electric Motors
Anti-Vibration Mounts
Single Phase Motors
- Cap Start - Cap Run
- Cap Run - Permanent Capacitor
Gearboxes
Tec Motors Aluminium Spares
Electric Motor Base plates
ATEX Motors
Inverters
Braked Electric Motors
Clearance
Plastics
Plastic Sheets
- HDPE
- Nylon 6
- Nylon 6.6
- more...
Plastic Rods
- Nylon 6
- Nylon 66
- PTFE
- more...
Clearance
Pneumatics
Push-In Fittings
Adaptors, Hose Tails & Fittings
Hose Clips, Clamps & Bolts
Hydraulics
Stainless Steel Pipe Fittings & Accessories
Malleable Iron Pipe Fittings & Accessories
Compressed Air & Accessories
Cylinders
- International Standard Cylinders
- Compact Cylinders
Industrial Hose, Tubing & Pipe
Quick Release Couplings
Valves
More Pneumatics...
- We have many other types of Pneumatics in stock.
- View more...
PPE
Gloves
High Visibility
Casual & Workwear
Eye Protection
- Eye Protection
- Eyewear Cleaning
Disposables
Footwear
Head Protection
Flame Resistant
Wipes, Hand Sanitiser & Skincare
Masks
Hearing Protection
More PPE...
- We have many other types of PPE in stock.
- View more...
Site Maintenance
Janitorial
Tapes
Home, Garden and Leisure
Jacking & Lifting
Electrical Fittings
Safety, Warning & Barrier Tapes
Packing Equipment
Storage & Workstations
Spill Control
Lighting & Power
Padlocks, Door Locks & Security
More Site Maintenance...
- We have many other types of Site Maintenance in stock.
- View more...
Tools
Fixings & Fastenings
Cutting Tools
Hand Tools
Air Power Tools
Decorating & Tiling
Welding & Cutting
Power Tools & Accessories
Measuring
Machine Shop
Storage & Workstations
Vehicle Service Tools
More Tools ...
- We have many other types of Tools in stock.
- View more...
Transmissions
Chain Sprockets
V & Wedge Belts
Roller Chains
Key Steel
Timing Belts & Pulleys
Taper Bushes
Gears & Racks
Lawn Mower Belts
V & Wedge Pulleys
Shaft Clamping Elements
Hubs
- Bolt On Hubs
- Weld On Hubs
More Transmissions...
- We have many other types of Transmissions in stock.
- View more...

My Account 01603 720713

Abrasives

Cutting, Grinding & Deburring Finishing & Masking Surface Prep & Blending Clearance

Adhesives

Threadlocking Instant Bonding (Super Glue) Gasketing Pipe & Thread Sealing General Adhesives Epoxy Adhesives Retaining Sealey Glues, Adhesives & Sealants Spray Adhesives more

Bearings

Ball Bearings Oilite Bearings Sleeves, Washers & Lock Nuts Housed & Flanged Bearings Needle Roller Bearings Oil Seals & O-rings Split Bearing Bushes Linear Bearings & Shaft Shaft Collars more

Castors

Ball Transfer Units Light Duty Castors Stainless Steel Castor Wheels Only Industrial Castors Heavy Duty Castors Pallet Rollers (Pallet Trucks) Levelling Castors Set of 4 more

Janitorial

Cleaners & Degreasers Wipes, Hand Sanitiser & Skincare Blue & White Roll Cloths, Rags & Sponges Rubble & Bin Bags Domestic Cleaning Products Brushes, Brooms & Mops Surface Wipes Window Cleaning more

Lubricants & Chemicals

Cleaners & Degreasers Grease Adhesives Lubricants Sprays Solvents Kluber New Tech Lubes Paints & Spray Paints more

Motors & Gearboxes

3 Phase Electric Motors Anti-Vibration Mounts Single Phase Motors Gearboxes Tec Motors Aluminium Spares Electric Motor Base plates ATEX Motors Inverters Braked Electric Motors more

Plastics

Plastic Sheets Plastic Rods Clearance

Pneumatics

Push-In Fittings Adaptors, Hose Tails & Fittings Hose Clips, Clamps & Bolts Hydraulics Stainless Steel Pipe Fittings & Accessories Malleable Iron Pipe Fittings & Accessories Compressed Air & Accessories Cylinders Industrial Hose, Tubing & Pipe more

PPE

Gloves High Visibility Casual & Workwear Eye Protection Disposables Footwear Head Protection Flame Resistant Wipes, Hand Sanitiser & Skincare more

Site Maintenance

Janitorial Tapes Home, Garden and Leisure Jacking & Lifting Electrical Fittings Safety, Warning & Barrier Tapes Packing Equipment Storage & Workstations Spill Control more

Tools

Fixings & Fastenings Cutting Tools Hand Tools Air Power Tools Decorating & Tiling Welding & Cutting Power Tools & Accessories Measuring Machine Shop more

Transmissions

Chain Sprockets V & Wedge Belts Roller Chains Key Steel Timing Belts & Pulleys Taper Bushes Gears & Racks Lawn Mower Belts V & Wedge Pulleys more

Your Basket

Contact Us

Meet our Team

Our Branches

Pneumatics Stainless Steel Pipe Fittings & Accessories Stainless Steel Flanges 316L Stainless Steel Flanges ASA300 Stainless Steel 316L 300LB Raised Face Weld Neck Sch10 Flange Stainless Steel 316L
Quick Code: BB-701953

4inch NB 300LB RF Wide Neck Sch10 Flange SS316L

4inch NB 300LB RF Wide Neck Sch10 Flange SS316L

4inch NB 300LB RF Wide Neck Sch10 Flange SS316L

Also Try

300LB Blind Flange Stainless Steel 316L

300LB Raised Face Weld Neck Sch40 Flange 316L Stainless Steel

300LB Slip-on Flange Stainless Steel

BSPT Threaded 300LB Flange 316 Stainless Steel

NPT Threaded 300LB Flange 316 Stainless Steel

Buy Now

Qty:

Product Specification

Size

4inch

Reference

F300WN4.0

Brand

Nero

Quick Order Code

BB-701953

Product Description

300LB Raised Face Weld Neck Sch10 Flange 316L stainless steel.
To ANSI/ASME B16.5 standard.

Click here for data sheet

Others also ordered

W638/5-2Z SKF Shielded Stainless Steel Miniat...

W638/5-2Z SKF Shielded Stainless Steel Miniat...

Frequently viewed together

6207 NRC3 NTN Open Ball Bearing 35mm x 72mm x...

6207 NRC3 NTN Open Ball Bearing 35mm x 72mm x...

Customer Service

Follow us on Facebook

Connect with us on Linkedin

Tweet us @bearingboys

Tag us on Instagram

Watch our Youtube Channel

Information

Trade Application

Terms & Conditions

ISO 9001 45001 14001

Helpful Articles

Measuring Bearings

Measuring Belts

Belt Care & Selection

Registered in England No. 5900054

VAT No. 762 8008 28

Head Office

Bearingboys Ltd

Unit 8, Mission Road

Rackheath, Norfolk

NR13 6PL

+44 (0) 1603 720713

© Bearingboys 2026

more than just bearings™

0.088s 352 cd