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Single Row Tapered Roller Bearings (Inch series)
K-3984/K-3920
Dimensions and Parameters
Designations K-3984/K-3920
Series 3900
Boundary dimensions（mm）
d 66.675,2.6250
D 112.712
T 30.162
d1 87.8
B 30.048
C 23.812
r1.2 min 3.5
r3.4 min 3.3
a 25
Load ratings(KN)
Dynmic Cr 123
stat Cor 183
Fatigue load
pu 21.2
Speed ratings[rpm]
油润滑 3200
grease 4300
Mass(kg) 1.15
Abutment and fillet dimensions（mm）
da max 75
db min 79.5
Da min 96
Da max 100
Db min 105
Cb min 4
Ca min 6
ra max 3
rb max 3
Calculation factors
e 0.4
Y 1.5
Y0 0.8
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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
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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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