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NSK NU203WC3 Roller Bearings Code system

Bearing number:7238 BCBM
Size (mm):340x190x55
Bore Diameter (mm):340
Outer Diameter (mm):190
Width (mm):55
d:190 mm
D:340 mm
B:55 mm
d1:250.4 mm
d2:224.1 mm
D1:285.4 mm
a:139 mm
r1,2 - min.:4 mm
r3,4 - min.:1.5 mm
da - min.:207 mm
Da - max.:323 mm
Db - max.:331 mm
ra - max.:3 mm
rb - max.:1.5 mm
Basic dynamic load rating - C:307 kN
Basic static load rating - C0:405 kN
Fatigue load limit - Pu:10.4 kN
Reference speed:2000 r/min
Limiting speed:2200 r/min
Calculation factor - kr:0.08
Calculation factor - ka:1.2
Calculation factor - e:1.14
Calculation factor - X:0.35
Calculation factor - Y0:0.26
Calculation factor - Y1:0.55
Calculation factor - Y2:0.57
Category:Angular Contact Ball Bearing
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:22.127
Product Group:B00308
Enclosure:Open
Flush Ground:Yes
Rolling Element:Ball Bearing
Number of Rows of Balls:Single Row
Precision Class:ABEC 1 | ISO P0
Maximum Capacity / Filling Slot:No
Snap Ring:No
Cage Material:Brass
Contact Angle:40 Degree
Internal Clearance:CB
Number of Bearings:1 (Single)
Mounting Arrangement:Universal
Inch - Metric:Metric
Long Description:190MM Bore; 340MM Outside Diameter; 55MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; CB; Brass Cage; 40 Degree; 1 (Single); Univer
Other Features:Normal Axial Internal Clearance
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Angular Contact
Manufacturer Item Number:7238 BCBM
Outside Diameter:13.386 Inch | 340 Millimeter
Width:2.165 Inch | 55 Millimeter
Bore:7.48 Inch | 190 Millimeter
bore diameter::190 mm
radial static load capacity::405 kN
outside diameter::340 mm
cage material::Brass
overall width::55 mm
outer ring width::55 mm
contact angle::40 °
maximum rpm::2200 RPM
row type & fill slot::Single-Row Non-Fill Slot
finish/coating::Uncoated
internal clearance::C0
precision rating::Not Rated
closure type::Open
fillet radius::3 mm
radial dynamic load capacity::307 kN
series::72
d1 ≈:250.4 mm
d2 ≈:224.1 mm
D1 ≈:285.4 mm
r1,2 min.:4 mm
r3,4 min.:1.5 mm
da min.:207 mm
Da max.:323 mm
Db max.:331 mm
ra max.:3 mm
rb max.:1.5 mm
Basic dynamic load rating C:307 kN
Basic static load rating C0:405 kN
Fatigue load limit Pu:10.4 kN
Calculation factor A:2.63
Calculation factor kr:0.08
Calculation factor e:1.14
Calculation factor X:0.57
Calculation factor Y0:0.52
Calculation factor Y2:0.93
Calculation factor Y1:0.55
Mass bearing:22 kg

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Bearing Distributors Inc: Emailiris@bearing-distributors.com; Address1589 Tampines Industrial Distributor Avenue 5 Singapore 528759; Phone(Working Time)0065-31591338; Fax0065-31591338

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