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Tapered Roller Set - Metric Series
MODEL 31309A
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$50.34 Each
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Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable:No
a (Effective Load Center)
0.2067 in
B (in)
0.9843
Bore Type
Round
Bore type
Round
C (in)
0.7087
Configuration
One
D (in)
3.9370
d (in)
1.7717
Da
3.60 in
da
2.17 in
Da min
3.11 in
Db
3.78 in
db
2.20 in
Dynamic load rating
21600 lbf
Dynamic Load Rating
21600 lbf
e (Axial Load Factor)
0.83
Enclosure
Open
Limiting Speed - Grease
3500 RPM
Limiting speed - grease
3500 RPM
Limiting speed - oil
4600 RPM
Limiting Speed - Oil
4600 RPM
Lubrication
w/o Oil Hole
Material
Through hardened steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision Rating
Class 0
Precision rating
Class 0
R (in)
0.08
r (in)
0.0600
Static load rating
24500 lbf
Static Load Rating
24500 lbf
Style
Cone & cup
T (in)
1.0728
Type
Tapered Roller Bearing
Y0 (Axial Load Factor)
0.40
Y2 (Axial Load Factor)
0.73
Specifications
| Bearing Data Sheet | ||
|---|---|---|
| NTN Part Number | 313 | |
| Weight | N/A (lbs) / N/A (kg) | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
|
Bore d O.D.D. Width B or W RADIUS D1 max C2 max b E f W2 W3 W1 |
2.5591 (in) 5.5118 (in) 1.2992 (in) 0.0800 (in) 5.3240 (in) 0.1460 (in) 0.1220 (in) 5.8906 (in) 0.1090 (in) |
65.000 (mm) 140.000 (mm) 33.000 (mm) 2.032 (mm) 135.230 (mm) 3.708 (mm) 3.099 (mm) 149.622 (mm) 2.769 (mm) |
|||
| Basic Load Ratings | Limiting Speeds | ||||
|---|---|---|---|---|---|
| Static Dynamic |
13,410 (LBF) 20,830 (LBF) |
59,670 (N) 92,640 (N) |
Oil Seals Grease |
4,000.00 (RPM) N/A 3,300.00 (RPM) |
|
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