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NTN 33210 is a single row metric tapered roller bearing with a 50 mm straight bore. It features an open design and is constructed from case carburized steel for durability. This bearing is suitable for applications requiring high radial and axial load capacity, such as gearboxes and vehicle wheel hubs.
MODEL 33210
$47.95 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.3346 in
B (in)
1.2598
Bore Type
Round
Bore type
Round
C (in)
0.9646
Configuration
One
d (in)
1.9685
D (in)
3.5433
Da
3.21 in
da
2.30 in
Da min
3.03 in
Db
3.43 in
db
2.24 in
Dynamic Load Rating
25900 lbf
Dynamic load rating
25900 lbf
e (Axial Load Factor)
0.41
Enclosure
Open
I.D.
1.9685 in
Limiting Speed - Grease
4000 RPM
Limiting speed - grease
4000 RPM
Limiting Speed - Oil
5300 RPM
Limiting speed - oil
5300 RPM
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
3.5433 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 0
Precision rating
Class 0
R (in)
0.06
r (in)
0.0600
Static Load Rating
35500 lbf
Static load rating
35500 lbf
Style
Cone & cup
T (in)
1.2598
Type
Tapered Roller Bearing
Width
1.2598 in
Y0 (Axial Load Factor)
0.80
Y2 (Axial Load Factor)
1.45
Technical Specifications
| Type | Tapered Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Case Carburized Steel |
| Limiting Speed - Oil | 5300 RPM |
| Limiting Speed - Grease | 4000 RPM |
| Style | Cone & Cup |
| Precision Rating | Class 0 |
| Configuration | One |
| Lubrication | w/o Oil Hole |
| e (Axial Load Factor) | 0.41 |
| Y2 (Axial Load Factor) | 1.45 |
| Y0 (Axial Load Factor) | 0.80 |
| Static Load Rating | 35500 lbf158000 N158.00 kN |
| Dynamic Load Rating | 25900 lbf115000 N115.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 1.9685 in50.000 mm |
|---|---|
| D | 3.5433 in90.000 mm |
| C | 0.9646 in24.500 mm |
| B | 1.2598 in32.000 mm |
| a (Effective Load Center) | -0.3346 in-8.500 mm |
| T | 1.2598 in32.000 mm |
| r | 0.0600 in1.500 mm |
| R | 0.06 in1.5 mm |
| da | 2.30 in58.5 mm |
| db | 2.24 in57.0 mm |
| Da | 3.21 in81.5 mm |
| Da min | 3.03 in77.0 mm |
| Db | 3.43 in87.0 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.