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NTN 7316BL1G/GN 73 series single-row angular contact ball bearing with 80 mm straight bore. Open enclosure and brass cage. High-carbon chrome steel construction for high-speed, high-precision applications such as machine tool spindles and pumps.
MODEL 7316BL1G/GN
$509.84 Each
Prices are subject to change
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Returnable:No
a (Load Center)
2.8346 in
B (in)
1.5354
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
Machined
Cage type
Machined
Configuration
One
Contact angle
40 º
d (in)
3.1496
D (in)
6.6929
Da max
6.2205 in
da min
3.6220 in
Db max
6.4173 in
db min
3.4252 in
Double Row Width
3.0709 in
Dynamic Load Rating
30500 lbf
Dynamic load rating
30500 lbf
Enclosure
Open
I.D.
80 mm
Limiting Speed - Grease
3800 RPM
Limiting speed - grease
3800 RPM
Limiting Speed - Oil
5100 RPM
Limiting speed - oil
5100 RPM
Material
High carbon chrome steel
O.D.
170 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
Preload
Normal
Quadruple Row Width
6.1417 in
r (in)
0.0827
r1
0.0433 in
r1as max
0.0394 in
ras max
0.0787 in
Static Load Rating
24500 lbf
Static load rating
24500 lbf
Triple Row Width
4.6063 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Machined |
Cage Material | Brass |
Ball Material | Steel |
Limiting Speed - Oil | 5100 RPM |
Limiting Speed - Grease | 3800 RPM |
Precision | ISO Class 0 |
Configuration | One |
Preload | Normal |
Static Load Rating | 24500 lbf109000 N109.00 kN |
Dynamic Load Rating | 30500 lbf135000 N135.00 kN |
Enclosure | Open |
Weight | 9.326 lb4.230 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.1496 in80.000 mm |
|---|---|
D | 6.6929 in170.000 mm |
B | 1.5354 in39.000 mm |
r | 0.0827 in2.100 mm |
r1 | 0.0433 in1.100 mm |
Contact Angle | 40 |
a (Load Center) | 2.8346 in72.000 mm |
da min | 3.6220 in92.000 mm |
db min | 3.4252 in87.000 mm |
Da max | 6.2205 in158.000 mm |
Db max | 6.4173 in163.000 mm |
ras max | 0.0787 in2.000 mm |
r1as max | 0.0394 in1.000 mm |
Double Row Width | 3.0709 in78.000 mm |
Triple Row Width | 4.6063 in117.000 mm |
Quadruple Row Width | 6.1417 in156.000 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.
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