We never sell your data to third parties
Image for Illustration purposes only. Actual product may vary
NTN 6303LLUAV90 is a 63 series single-row deep groove ball bearing with a 17 mm straight bore. It features double sealed contact polyacrylic seals and a polyamide cage. Constructed from high carbon chrome steel, this bearing is designed for general industrial rotating equipment such as electric motors, pumps, and fans.
MODEL 6303LLUAV90
This vendor has a minimum order quantity of 3. Order minimum ($) may be applied. Add desired QTY to cart and proceed to checkout to view minimum
$32.35 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable: See conditions
B (in)
0.5512
Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Polyamide
Cage Material
Polyamide
D (in)
1.8504
d (in)
0.6693
da max
0.9843 in
Da max
1.6535 in
da min
0.8661 in
Dynamic load rating
3370 lbf
Dynamic Load Rating
3370 lbf
Enclosure
Double Sealed
Factor
12.2
I.D.
17 mm
Material
High Carbon Chrome Steel
O.D.
47 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 0
r (in)
0.0394
Radial internal clearance
Special clearance
Radial Internal Clearance
Special Clearance
ras max
0.0394 in
Seal material
Polyacrylic
Seal Material
Polyacrylic
Seal type
Contact
Seal Type
Contact
Static load rating
1470 lbf
Static Load Rating
1470 lbf
Type
Deep Groove Ball Bearing
Technical Specifications
Type | Deep Groove Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Material | Polyamide |
Ball Material | Steel |
Seal Type | Contact |
Seal Material | Polyacrylic |
Precision | ISO Class 0 |
Factor | 12.2 |
Radial Internal Clearance | Special Clearance |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
