NSK NU203WC3 Roller Bearings

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
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Product Details

Bearing number7238 BCBM
Size (mm)340x190x55
Bore Diameter (mm)340
Outer Diameter (mm)190
Width (mm)55
d190 mm
D340 mm
B55 mm
d1250.4 mm
d2224.1 mm
D1285.4 mm
a139 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 - C307 kN
Basic static load rating - C0405 kN
Fatigue load limit - Pu10.4 kN
Reference speed2000 r/min
Limiting speed2200 r/min
Calculation factor - kr0.08
Calculation factor - ka1.2
Calculation factor - e1.14
Calculation factor - X0.35
Calculation factor - Y00.26
Calculation factor - Y10.55
Calculation factor - Y20.57
CategoryAngular Contact Ball Bearing
Inventory0.0
Minimum Buy QuantityN/A
Weight / Kilogram22.127
Product GroupB00308
EnclosureOpen
Flush GroundYes
Rolling ElementBall Bearing
Number of Rows of BallsSingle Row
Precision ClassABEC 1 | ISO P0
Maximum Capacity / Filling SlotNo
Snap RingNo
Cage MaterialBrass
Contact Angle40 Degree
Internal ClearanceCB
Number of Bearings1 (Single)
Mounting ArrangementUniversal
Inch - MetricMetric
Long Description190MM 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 FeaturesNormal Axial Internal Clearance
UNSPSC31171531
Harmonized Tariff Code8482.10.50.28
NounBearing
Keyword StringAngular Contact
Manufacturer Item Number7238 BCBM
Outside Diameter13.386 Inch | 340 Millimeter
Width2.165 Inch | 55 Millimeter
Bore7.48 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 C307 kN
Basic static load rating C0405 kN
Fatigue load limit Pu10.4 kN
Calculation factor A2.63
Calculation factor kr0.08
Calculation factor e1.14
Calculation factor X0.57
Calculation factor Y00.52
Calculation factor Y20.93
Calculation factor Y10.55
Mass bearing22 kg
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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