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NTN 21316VKC3 is a 213 series spherical roller bearing with an 80 mm straight bore. It features a steel cage and C3 clearance. This open bearing is designed for heavy radial and moderate axial loads in industrial machinery such as gearboxes, fans, and conveyors.
MODEL 21316VKC3
$471.05 Each
Prices are subject to change
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Returnable:No
B (in)
1.5354
Bore Type
Tapered
Bore type
Tapered
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
D (in)
6.6929
d (in)
3.1496
D1
5.6929 in
d1
4.1063 in
Da max
6.2205 in
da min
3.6220 in
Dynamic Load Rating
68500 lbf
Dynamic load rating
68500 lbf
e
0.23
Enclosure
Open
I.D.
80 mm
Material
Through hardened steel
O.D.
170 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
r (in)
0.0827
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0787 in
Ring Modification
Plain
Ring modification
Plain
Series
213
Static Load Rating
68500 lbf
Static load rating
68500 lbf
Taper
1 to 12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
Y0
2.89
Y1
2.95
Y2
4.40
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
e | 0.23 |
Y1 | 2.95 |
Y2 | 4.40 |
Y0 | 2.89 |
Series | 213 |
Radial Internal Clearance | C3 |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Taper | 1:12 |
Static Load Rating | 68500 lbf305000 N305.00 kN |
Dynamic Load Rating | 68500 lbf305000 N305.00 kN |
Enclosure | Open |
Weight | 9.259 lb4.200 kg |
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.
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