NTN 7309BDB Angular Contact Ball Bearings

LET OUR JiNan Hope Hydraulic Co., Itd NTN 7309BDB Angular Contact Ball Bearings EXPERTS GET YOU THE 28.575x12.7x7.938 PARTS YOU NEED.

Min.Order Quantity 1 pcs
Price Negotiable

Product Details

Bearing number D/W R8 R-2RZ
Size (mm) 28.575x12.7x7.938
Bore Diameter (mm) 28,575
Outer Diameter (mm) 12,7
Width (mm) 7,938
d 12.7 mm
D 28.575 mm
B 7.938 mm
d2 16 mm
D2 25.15 mm
D3 31.12 mm
C 1.575 mm
r1,2 - min. 0.4 mm
da - min. 15.5 mm
ra - max. 0.4 mm
Basic dynamic load rating - C 4.4 kN
Basic static load rating - C0 2.4 kN
Fatigue load limit - Pu 0.102 kN
Reference speed 60000 r/min
Limiting speed 30000 r/min
Calculation factor - kr 0.03
Calculation factor - f0 13.2
d2 ≈ 16 mm
D2 ≈ 25.15 mm
r1,2 min. 0.4 mm
da min. 15 mm
da max. 15.5 mm
ra max. 0.4 mm
Basic dynamic load rating C 4.42 kN
Basic static load rating C0 2.36 kN
Fatigue load limit Pu 0.102 kN
Calculation factor kr 0.03
Calculation factor f0 13.2
Mass bearing 0.022 kg
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Company Profile

Worktime 9:00-18:00(Beijing time)
Phone 0531-8299 9953
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