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NTN 6815LLU is a single-row deep groove ball bearing with a 75 mm straight bore. It features double contact rubber seals (LLU) for effective contaminant exclusion. This thin-section bearing is designed for applications requiring compact radial support, such as electric motors, pumps, and general industrial machinery.
MODEL 6815LLU
$61.64 Each
Prices are subject to change
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Returnable:No
B (in)
0.3937
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
3.7402
d (in)
2.9528
Da max
3.5827 in
da max
3.1496 in
Dynamic Load Rating
3120 lbf
Dynamic load rating
3120 lbf
Enclosure
Double Sealed
Factor
16.0
I.D.
75 mm
Limiting Speed - Grease
3600 RPM
Limiting speed - grease
3600 RPM
Material
High carbon chrome steel
O.D.
95 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0236
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0236 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
2900 lbf
Static load rating
2900 lbf
Type
Deep Groove Ball Bearing
Technical Specifications
Type |
Deep Groove Ball Bearing |
Bore Type |
Round |
Material |
High Carbon Chrome Steel |
Cage Type |
Pressed |
Cage Material |
Steel |
Ball Material |
Steel |
Limiting Speed - Grease |
3600 RPM |
Seal Type |
Contact |
Seal Material |
Nitrile Rubber |
Precision |
ISO Class 0 |
Configuration |
One |
Factor |
16.0 |
Radial Internal Clearance |
CN |
Static Load Rating |
2900 lbf12900 N12.90 kN |
Dynamic Load Rating |
2810 lbf12500 N12.50 kN |
Enclosure |
Double Sealed |
Weight |
0.313 lb0.142 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
2.9528 in75.000 mm |
D |
3.7402 in95.000 mm |
B |
0.3937 in10.000 mm |
r |
0.0236 in0.600 mm |
r1 |
0.0197 in0.500 mm |
da max |
3.1496 in80.000 mm |
Da max |
3.5827 in91.000 mm |
ras max |
0.0236 in0.600 mm |
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.
#326339
Brand
SKF Bearing
Model
61815-2RS1
#5034548
Brand
NSK Bearings
Model
6815DDU
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