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| Aligning: | 0 |
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Specification:TIMKEN 581/572 3 PRECISION TAPERED ROLLER BEARING SET
| Inner ring | 581 |
| Outer ring | 572 |
| (d)Bore Diameter: | 80.962 mm |
| (D)Outside Diameter: | 139.992 mm |
| (T)Bearing Width: | 36.512 mm |
| (C1)Dynamic Radial rating: | 207000 N |
| (C90)Dynamic Radial rating: | 53600 N |
| (Co)Static Radial rating: | 291000 N |
| Bearing weight | 2.19 kg |
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Product Name |
NSK 581/572 3 PRECISION TAPERED ROLLER BEARING SET |
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Brand |
TFN / OEM |
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Model Number |
581/572 |
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Dimension |
80.962×139.992×36.512mm |
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Ring Material |
Steel |
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Cage Material |
Steel only |
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Precision |
P0, P6, P5, or as requested |
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Vibration |
ZV1, ZV2, ZV3, or as requested |
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Clearance |
C0,C2,C3, or as requested |
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Type |
302 series,303 series,313 series,322 series,323 series,329 series,331 series |
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Features |
Low friction ,Long service life ,Enhanced operational reliability ,Consistency of roller profiles and sizes ,Rigid bearing application,Running-in period with reduced temperature peaks ,Separable and interchangeable. |
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Quality standard |
ISO9001:2000/ SGS |
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Quality Control Process |
1.Assembly |
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2.Windage test |
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3.Cleaning |
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4.Rotary test |
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5.Greasing and gland |
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6.Noise inspection |
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7.Appearance inspection |
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8.Rust prevention |
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9.Product packaging |
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Application |
single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation. The axial load carrying capacity of tapered roller bearings increases with increasing contact angle α. The size of the contact angle, which is usually between 10° and 30°, is related to the calculation factor e ,the larger the value of e, the larger the contact angle. |
Specifications
Series |
575 |
Cone Part Number |
581 |
Cup Part Number |
572 |
Design Units |
Imperial |
Bearing Weight |
2.2 Kg4.8 lb |
Cage Type |
Stamped Steel |
d - Bore |
80.963 mm3.1875 in |
D - Cup Outer Diameter |
139.992 mm5.5115 in |
B - Cone Width |
36.098 mm1.4212 in |
C - Cup Width |
28.575 mm1.1250 in |
T - Bearing Width |
36.513 mm1.4375 in |
| R - Cone Backface "To Clear" Radius1 | 3.560 mm0.14 in |
| r - Cup Backface "To Clear" Radius2 | 3.3 mm0.130 in |
da - Cone Frontface Backing Diameter |
89.92 mm4.32 in |
db - Cone Backface Backing Diameter |
96.01 mm3.78 in |
Da - Cup Frontface Backing Diameter |
133.35 mm5.25 in |
Db - Cup Backface Backing Diameter |
124.97 mm4.92 in |
Ab - Cage-Cone Frontface Clearance |
2.5 mm0.1 in |
Aa - Cage-Cone Backface Clearance |
3 mm0.12 in |
| a - Effective Center Location3 | -5.3 mm-0.21 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 12100 lbf53600 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 46500 lbf207000 N |
C0 - Static Radial Rating |
65400 lbf291000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 8330 lbf37100 N |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.49 |
G1 - Heat Generation Factor (Roller-Raceway) |
126 |
G2 - Heat Generation Factor (Rib-Roller End) |
32 |
| Cg - Geometry Factor10 | 0.13 |
Certificate
FAQ
Q:Why choose us?
A:1. We are professional,have factory in shandong for many years.
2. We are experienced for 10 years.
3. We can offer a various kind of bearing with high quality:Z1V1,Z2V2,Z3V3 and best price
Q:How is the quality of your products?
A:The same quality, we have lower price.The same price,we have better quality.
Q:Except Taper Roller Bearing what other main bearing do you have?
A: Deep groove ball bearing,Cylindrical roller bearing,Thrust roller bearing,Spherical roller bearing,Angular contact ball bearing etc.
Q:Can I get TIMKEN JM736149-90N01 Tapered Roller Bearing free samples?
A:We will charge a little sample fee for our regular designs or customized ones, These charges will be refunded to you when your mass production order is confirmed.
Q:Can you make the products as our requirement?
A:We have more than 10years' OEM experience. We supply products fo more than 300 automobile parts factories.
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