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Single Row Tapered Roller Bearings (Inch series)
K-28520/K-28521
Dimensions and Parameters
Designations K-28520/K-28521
Series 28500
Boundary dimensions（mm）
d 50.800,2.0000
D 92.075
T 24.608
d1 72.1
B 25.4
C 19.854
r1.2 min 3.5
r3.4 min 0.8
a 20
Load ratings(KN)
Dynmic Cr 85.8
stat Cor 118
Fatigue load
pu 13.4
Speed ratings[rpm]
油润滑 4000
grease 5300
Mass(kg) 0.72
Abutment and fillet dimensions（mm）
da max 61
db min 63
Da min 79
Da max 85
Db min 86
Cb min 5
Ca min 4.5
ra max 3
rb max 0.6
Calculation factors
e 0.37
Y 1.6
Y0 0.9
Contact Us
Phone： +86-574-86597612
Fax： +86-574-86597652
E-mail： master@dhk-intl.com
Address： Building 31, Chuang E Huigu, No. 777,West Zhongguan Road, Zhenhai Economic Development Zone, Ningbo, Zhejiang, China
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Phone
+86-13957821917
Email
ken@dhk-intl.com
Address
No. 1238, Zhongguan Road, Zone B, Zhenhai Economic Development Zone, Ningbo City, Zhejiang Province 315200
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