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Deep Groove Ball Bearings
Angular Contact Ball Bearings
Special Environment Ball Bearings
Thrust Ball Bearings
Self-Aligning Ball Bearings
Spherical Roller Bearings
Tapered Roller Bearings
Cylindrical Roller Bearings
Needle Roller Bearings
Oil Seals
Semiconductor/FPD/
High-performance Film
Construction/Transportation/
Agricultural Machinery
Machine Tools
Renewable Energy
Steel Production Equipment
Automotive
Medical Equipment
Aircraft
Railroad Cars
Office/Home/Leisure
Download Catalogs
Repairs/replacement parts
Download CAD/
technical calculation
Product Support Brochure
Inquiries about purchase
Inquiries about
technical trouble/repair
Inquiries about others
Top of page
Product information
JTEKT Corporation(Koyo)
Tapered roller bearings
Product
1
JTEKT Corporation(Koyo)
Tapered roller bearings
JTEKT Corporation(Koyo)
Tapered roller bearings
Standard type
All
Select Classification details
Non-contact sealed 2RU
Shielded ZZ
Contact sealed 2RS
Open type
Dimensions
Imperial (inch)
Metric (mm)
Bore diameter
Range
≤ d ≤
Exact
d =
Width
Range
≤ B ≤
Exact
B =
Outside diameter
Range
≤ D ≤
Exact
D =
421～440
/1976
JTEKT Corporation(Koyo)
Tapered roller bearings
Standard type
All
Bearing No.
Y0
STAN
SD
RA
R1
R
ORDER
MASS
LO
4T-39581/39520
Technical calculation tools
Contact Now
...
3.3
8
...
...
...
14...
138
...
4T-45289/45220
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
13...
130
...
4T-469/453A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
11...
115
...
4T-390/394A
Technical calculation tools
Contact Now
...
1.3
...
...
...
...
9 150
89.5
...
4T-387S/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-28682/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-462/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-469/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-389/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387A/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387AS/382A
Technical calculation tools
Contact Now
...
0.8
5
...
...
...
7 950
78
...
4T-JH307749/JH307710
Technical calculation tools
Contact Now
...
2.5
3
...
...
...
17...
173
...
4T-28680/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-72218C/72487
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
154
...
4T-HM813840/HM813810
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
16...
163
...
4T-JLM506849/JLM506810
Technical calculation tools
Contact Now
...
0.5
...
...
...
...
7 900
77.5
...
4T-JM207049/JM207010
Technical calculation tools
Contact Now
...
2.5
...
...
...
...
10...
107
...
4T-385/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-HM911242/HM911210
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
156
...
Bearing No.
Y0
STAN
SD
RA
R1
R
ORDER
MASS
LO
4T-39581/39520
Technical calculation tools
Contact Now
...
3.3
8
...
...
...
14...
138
...
4T-45289/45220
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
13...
130
...
4T-469/453A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
11...
115
...
4T-390/394A
Technical calculation tools
Contact Now
...
1.3
...
...
...
...
9 150
89.5
...
4T-387S/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-28682/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-462/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-469/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-389/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387A/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387AS/382A
Technical calculation tools
Contact Now
...
0.8
5
...
...
...
7 950
78
...
4T-JH307749/JH307710
Technical calculation tools
Contact Now
...
2.5
3
...
...
...
17...
173
...
4T-28680/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-72218C/72487
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
154
...
4T-HM813840/HM813810
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
16...
163
...
4T-JLM506849/JLM506810
Technical calculation tools
Contact Now
...
0.5
...
...
...
...
7 900
77.5
...
4T-JM207049/JM207010
Technical calculation tools
Contact Now
...
2.5
...
...
...
...
10...
107
...
4T-385/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-HM911242/HM911210
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
156
...
Bearing No.
Y0
STAN
SD
RA
R1
R
ORDER
MASS
LO
4T-39581/39520
Technical calculation tools
Contact Now
...
3.3
8
...
...
...
14...
138
...
4T-45289/45220
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
13...
130
...
4T-469/453A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
11...
115
...
4T-390/394A
Technical calculation tools
Contact Now
...
1.3
...
...
...
...
9 150
89.5
...
4T-387S/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-28682/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-462/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-469/453X
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
11...
115
...
4T-389/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387A/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-387AS/382A
Technical calculation tools
Contact Now
...
0.8
5
...
...
...
7 950
78
...
4T-JH307749/JH307710
Technical calculation tools
Contact Now
...
2.5
3
...
...
...
17...
173
...
4T-28680/28622
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
9 000
88.5
...
4T-72218C/72487
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
154
...
4T-HM813840/HM813810
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
16...
163
...
4T-JLM506849/JLM506810
Technical calculation tools
Contact Now
...
0.5
...
...
...
...
7 900
77.5
...
4T-JM207049/JM207010
Technical calculation tools
Contact Now
...
2.5
...
...
...
...
10...
107
...
4T-385/382A
Technical calculation tools
Contact Now
...
0.8
...
...
...
...
7 950
78
...
4T-HM911242/HM911210
Technical calculation tools
Contact Now
...
3.3
...
...
...
...
15...
156
...
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1
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…
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…
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Tapered roller bearings
Single-row tapered roller bearings
Double-row tapered roller bearings
Steel Industry
Bearing Solutions for Machine Tools
Drying andYankee cylinder
Loyal solutions for mining and processling
News and Media
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Construction Equipment
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Steel Industry
Contact us
Product Support Brochure
Inquiries about purchase
Inquiries about
technical trouble/repair
Inquiries about others
