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High quality TAPPER ROLLER BEARING 25878-25821 25878-25821RS 25878-25821C3 34.925*73.025*23.812mm

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High quality TAPPER ROLLER BEARING 25878-25821 25878-25821RS 25878-25821C3 34.925*73.025*23.812mm

Country/Region china
City & Province liaocheng shandong
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Product Details

 

High quality TAPPER ROLLER BEARING 25878-25821 25878-25821RS 25878-25821C3 34.925*73.025*23.812mm


Product introduction
Tapered roller bearings are mainly used to bear radial and axial combined loads based on radial loads, generally not suitable to bear axial loads alone, such bearings can be installed respectively the inner ring (with a full set of rollers and retainers) and the outer ring. This type of bearing does not allow the shaft to tilt relative to the housing, resulting in additional axial forces under radial load.

Specifications for 25878 25821, Imperial Taper Roller Bearing with a 1.370 inch bore - Select Range

Reference25878 25821
BrandSelect
Inside Diameter1.370"
Outside Diameter2.870"
Width0.937"
Weight (KG)0.469

Schematic for 25878 25821, Imperial Taper Roller Bearing with a 1.370 inch bore - Select Range

B0.937"
d1.370"
D2.870"

 

Specifications

Series

25800

Cone Part Number

25878

Cup Part Number

25821

Design Unit

Inch

Cage Material

Stamped Steel
 

Dimensions

d - Bore

1 3/8 in34.925 mm

D - Cup Outer Diameter

2.8750 in73.025 mm

B - Cone Width

0.9688 in24.608 mm

C - Cup Width

0.7500 in19.050 mm

T - Bearing Width

0.9375 in23.813 mm
 

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius10.14 in3.560 mm
r - Cup Backface "To Clear" Radius20.03 in0.76 mm

da - Cone Frontface Backing Diameter

1.59 in40.5 mm

db - Cone Backface Backing Diameter

1.85 in47 mm

Da - Cup Frontface Backing Diameter

2.72 in68.10 mm

Db - Cup Backface Backing Diameter

2.56 in65.02 mm

Ab - Cage-Cone Frontface Clearance

0.09 in2.3 mm

Aa - Cage-Cone Backface Clearance

0.02 in0.5 mm
a - Effective Center Location3-0.32 in-8.1 mm
 

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)44960 lbf22100 N
C1 - Dynamic Radial Rating (1 million revolutions)519100 lbf85100 N

C0 - Static Radial Rating

21900 lbf97400 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)62460 lbf11000 N
 

Factors

K - Factor72.01
e - ISO Factor80.29
Y - ISO Factor92.07

G1 - Heat Generation Factor (Roller-Raceway)

26.4

G2 - Heat Generation Factor (Rib-Roller End)

10.9
Cg - Geometry Factor100.0695

25878-25821 Collection
M2X146NUP309T7FC055DNB50/60NUP2207
NUP309T7FC055MAG120NUP207NUP309=180
NUP221230312DMAG1506213HMGF36
I84M5X13030314DNUP30930312D=155NUP206=100
M5X18030312DNUP308M2X120NUP2208
3220530309DGM35VL32207NUP2211
T7FC060NUP2207=140NUP2206=130NUP205EHMGC48
M2X15030312D6008NUP207=120NUP309
M2X170NUP2209NUP307NUP2209=16030312D
M2X210JMF23302106305GM35VA
HMGF57JMF15130311DNUP2211=25030312D=155
NUP30611749/1171030210KMF160-PC360-7SG04
NUP307NUP309=180KMF125-PC200-8MSG-27PSG025
KMF41-PC60NUP309M2X96NUP207HMGC32
NUP308NUP206MCB172HMS072HMGF35
JMF296305MNUP206EAP5S67M2X63
NUP3074T-30307M2X55NUP308=140NUP2208=210
30312DSG08NUP307T7FC055=300NUP307=110
NIP2310GM17VANUP307NUP309JMF195
NUP208EJMV-44/22NUP309=180JMF250NUP2212
NUP308=14KMF125-PC200-7 JMV-53/3115578
T7FC065NUP2310NUP310MAG85NUP306
30309D=11030309DKMF90-PC200-630312NUP308
NUP207/NUP306NUP2211NUP2206NUP207 
 

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A: If you meet with quality problem, we promise to replace goods or return your funds.

Q3: If we don’t find what we want on your website, what should we do?
A: You can email us the descriptions and pictures of the products you need, we will check whether we have them. We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing.

 

 

Q4: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to send 1pc for quality testing if we have the item you need in stock.

Why choose us? 1. Let’s talk—we have NO barrier in language.
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