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Single Row Tapered Roller Bearings (Inch series)
K-749A/K-742
Dimensions and Parameters
Designations K-749A/K-742
Series 745
Boundary dimensions（mm）
d 82.550,3.2500
D 150.089
T 44.45
d1 113
B 46.672
C 36.512
r1.2 min 3.5
r3.4 min 3.3
a 32
Load ratings(KN)
Dynmic Cr 286
stat Cor 405
Fatigue load
pu 46.5
Speed ratings[rpm]
油润滑 2200
grease 3200
Mass(kg) 3.4
Abutment and fillet dimensions（mm）
da max 95
db min 96
Da min 130
Da max 137
Db min 142
Cb min 8
Ca min 7.5
ra max 3
rb max 3
Calculation factors
e 0.33
Y 1.8
Y0 1
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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
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