Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

NTN Radial Ball Bearing: 6304, Dbl Sealed, Contact Seal, 20 mm Bore, 52 mm OD - High-Temperature Radial Ball Bearings
NTNHigh-Temperature Radial Ball Bearings

NTN Radial Ball Bearing: 6304, Dbl Sealed, Contact Seal, 20 mm Bore, 52 mm OD

The NTN 6304 is a metric radial ball bearing designed for high-temperature applications, featuring a double-contact seal configuration. It has a 20 mm bore, 52 mm outer diameter, and 15 mm width, with the…

SKU 3G-OTH-101378

Brand
NTN
Item
Radial Ball Bearing: 6304, Dbl Sealed, Contact Seal, 20 mm Bore, 52 mm OD
Category
High-Temperature Radial Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

NTN
Manufacturer Part Number
6304FT150
Type
Dbl Sealed, Contact Seal, 1
Bore
20 mm
OD
52 mm
Wd
15 mm
System of Measurement
Metric
Bearing Industry Number
6304
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN 6304 is a metric radial ball bearing designed for high-temperature applications, featuring a double-contact seal configuration. It has a 20 mm bore, 52 mm outer diameter, and 15 mm width, with the manufacturer part number 6304FT150.

Frequently Asked Questions

What is the NTN 6304 radial ball bearing used for?

The NTN 6304 radial ball bearing is used in high-temperature industrial applications such as furnaces, ovens, and drying systems. Its double-contact seal design protects against contaminants and retains lubrication, making it suitable for demanding environments where heat and debris are present.

What are the specifications of the NTN 6304FT150 bearing?

The NTN 6304FT150 is a metric radial ball bearing with a 20 mm bore, 52 mm outer diameter, and 15 mm width. It features double-contact seals and is designed for high-temperature service. The bearing industry number is 6304, and the manufacturer part number is 6304FT150.

Where to buy the NTN 6304 bearing worldwide?

3G Electric supplies the NTN 6304 bearing worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine NTN bearings to support your high-temperature applications across any region.

How to select the correct NTN 6304 bearing for high-temperature use?

To select the correct NTN 6304 bearing, verify the bore (20 mm), OD (52 mm), and width (15 mm) match your shaft and housing. Confirm the double-contact seal and high-temperature rating suit your operating environment. Consult NTN's technical data for temperature limits and lubrication requirements.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN high-temperature radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
NTN Radial Ball Bearing: 6204, Dbl Sealed, Contact Seal, 20 mm Bore, 47 mm OD, 14 mm Wd, 1 (MPN 6204FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6204.
NTN
NTN Radial Ball Bearing: 6204, Dbl Sealed, Contact Seal, 20 mm Bore, 47 mm OD, 14 mm Wd, 1 (MPN 6204FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6204.
NTN Radial Ball Bearing: 6202, Dbl Sealed, Contact Seal, 15 mm Bore, 35 mm OD, 11 mm Wd, 1 (MPN 6202FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6202.
NTN
NTN Radial Ball Bearing: 6202, Dbl Sealed, Contact Seal, 15 mm Bore, 35 mm OD, 11 mm Wd, 1 (MPN 6202FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6202.
NTN Radial Ball Bearing: 6206, Dbl Sealed, Contact Seal, 30 mm Bore, 62 mm OD, 16 mm Wd, 1 (MPN 6206FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6206.
NTN
NTN Radial Ball Bearing: 6206, Dbl Sealed, Contact Seal, 30 mm Bore, 62 mm OD, 16 mm Wd, 1 (MPN 6206FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6206.
NTN Radial Ball Bearing: 6004, Dbl Sealed, Contact Seal, 20 mm Bore, 42 mm OD, 12 mm Wd, 1 (MPN 6004FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6004.
NTN
NTN Radial Ball Bearing: 6004, Dbl Sealed, Contact Seal, 20 mm Bore, 42 mm OD, 12 mm Wd, 1 (MPN 6004FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6004.
NTN Radial Ball Bearing: 6208, Dbl Sealed, Contact Seal, 40 mm Bore, 80 mm OD, 18 mm Wd, 1 (MPN 6208FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6208.
NTN
NTN Radial Ball Bearing: 6208, Dbl Sealed, Contact Seal, 40 mm Bore, 80 mm OD, 18 mm Wd, 1 (MPN 6208FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6208.
NTN Radial Ball Bearing: 6203, Dbl Sealed, Contact Seal, 17 mm Bore, 40 mm OD, 12 mm Wd, 1 (MPN 6203FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6203.
NTN
NTN Radial Ball Bearing: 6203, Dbl Sealed, Contact Seal, 17 mm Bore, 40 mm OD, 12 mm Wd, 1 (MPN 6203FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6203.

More from NTN

View all NTN parts
NTN Radial Ball Bearing: 6305, Dbl Sealed, Contact Seal, 25 mm Bore, 62 mm OD, 17 mm Wd, 1 (MPN 6305FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6305.
NTN
NTN Radial Ball Bearing: 6305, Dbl Sealed, Contact Seal, 25 mm Bore, 62 mm OD, 17 mm Wd, 1 (MPN 6305FT150). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6305.
NTN Radial Ball Bearing: 6305, Open, 25 mm Bore, 62 mm OD, 17 mm Wd, Alloy Steel Ring, 1 (MPN 6305F600). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6305.
NTN
NTN Radial Ball Bearing: 6305, Open, 25 mm Bore, 62 mm OD, 17 mm Wd, Alloy Steel Ring, 1 (MPN 6305F600). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6305.
NTN Radial Ball Bearing: Special, Dbl Sealed, Non-Contact Seal, 5/16 in Bore, 22 mm OD, 7 mm Wd (MPN 608LLB/7.938PX2/5C). Key specifications — System of Measurement: Metric; Bearing Industry Number: Special.
NTN
NTN Radial Ball Bearing: Special, Dbl Sealed, Non-Contact Seal, 5/16 in Bore, 22 mm OD, 7 mm Wd (MPN 608LLB/7.938PX2/5C). Key specifications — System of Measurement: Metric; Bearing Industry Number: Special.
NTN Radial Ball Bearing: 628, Dbl Sealed, Non-Contact Seal, 8 mm Bore, 24 mm OD, 8 mm Wd (MPN 628LLB/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 628.
NTN
NTN Radial Ball Bearing: 628, Dbl Sealed, Non-Contact Seal, 8 mm Bore, 24 mm OD, 8 mm Wd (MPN 628LLB/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 628.
NTN Radial Ball Bearing: 6206, Dbl Sealed, Contact Seal, 30 mm Bore, 62 mm OD, 16 mm Wd, 1, Class 0 (MPN 6206HT200). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6206.
NTN
NTN Radial Ball Bearing: 6206, Dbl Sealed, Contact Seal, 30 mm Bore, 62 mm OD, 16 mm Wd, 1, Class 0 (MPN 6206HT200). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6206.
NTN Radial Ball Bearing: 609, Dbl Shield, 9 mm Bore, 24 mm OD, 7 mm Wd, Alloy Steel Ring (MPN 609JX2ZZ/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 609.
NTN
NTN Radial Ball Bearing: 609, Dbl Shield, 9 mm Bore, 24 mm OD, 7 mm Wd, Alloy Steel Ring (MPN 609JX2ZZ/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 609.
NTN Radial Ball Bearing: 624, Dbl Shield, 4 mm Bore, 13 mm OD, 5 mm Wd, Alloy Steel Ring (MPN 624ZZ/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 624.
NTN
NTN Radial Ball Bearing: 624, Dbl Shield, 4 mm Bore, 13 mm OD, 5 mm Wd, Alloy Steel Ring (MPN 624ZZ/1K). Key specifications — System of Measurement: Metric; Bearing Industry Number: 624.
NTN Radial Ball Bearing: 6205, Open, 25 mm Bore, 52 mm OD, 15 mm Wd, Alloy Steel Ring, 1 (MPN 6205F600). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6205.
NTN
NTN Radial Ball Bearing: 6205, Open, 25 mm Bore, 52 mm OD, 15 mm Wd, Alloy Steel Ring, 1 (MPN 6205F600). Key specifications — System of Measurement: Metric; Bearing Industry Number: 6205.