KOYO NK28/20A services Needle Non Thrust Roller Bearings

Brand Name KOYO NK28/20A services Needle Non Thrust Roller Bearings
Model Number NK28/20A
Min.Order Quantity 1 pcs
Price Negotiable
PDF NK28/20A

Product Details

Bearing number7308 BEGAP
Size (mm)90x40x23
Bore Diameter (mm)90
Outer Diameter (mm)40
Width (mm)23
d40 mm
D90 mm
B23 mm
d159.7 mm
d249.55 mm
D171.6 mm
a39 mm
r1,2 - min.1.5 mm
r3,4 - min.1 mm
da - min.49 mm
Da - max.81 mm
Db - max.84.4 mm
ra - max.1.5 mm
rb - max.1 mm
Basic dynamic load rating - C50 kN
Basic static load rating - C032.5 kN
Fatigue load limit - Pu1.4 kN
Reference speed10000 r/min
Limiting speed10000 r/min
Calculation factor - kr0.1
Calculation factor - ka1.6
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 / Kilogram0.61
Product GroupB00308
EnclosureOpen
Flush GroundYes
Rolling ElementBall Bearing
Number of Rows of BallsSingle Row
Precision ClassABEC 3 | ISO P6
Maximum Capacity / Filling SlotNo
Snap RingNo
Cage MaterialPolymer
Contact Angle40 Degree
Internal ClearanceC0-Medium
Number of Bearings1 (Single)
PreloadLight
Mounting ArrangementUniversal
Inch - MetricMetric
Long Description40MM Bore; 90MM Outside Diameter; 23MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring
UNSPSC31171531
Harmonized Tariff Code8482.10.50.28
NounBearing
Keyword StringAngular Contact
Manufacturer Item Number7308 BEGAP
Weight / LBS1.347
Bore1.575 Inch | 40 Millimeter
Outside Diameter3.543 Inch | 90 Millimeter
Width0.906 Inch | 23 Millimeter
bore diameter:40 mm
radial static load capacity:32.5 kN
outside diameter:90 mm
cage material:Nylon
overall width:23 mm
outer ring width:23 mm
contact angle:40 °
maximum rpm:10000 RPM
row type & fill slot:Single-Row Non-Fill Slot
finish/coating:Uncoated
internal clearance:C0
precision rating:ABEC 3 (ISO Class 6)
closure type:Open
fillet radius:1.5 mm
radial dynamic load capacity:50 kN
series:73
d1 ≈59.7 mm
d2 ≈49.55 mm
D1 ≈71.6 mm
r1,2 min.1.5 mm
r3,4 min.1 mm
da min.49 mm
Da max.81 mm
Db max.84.4 mm
ra max.1.5 mm
rb max.1 mm
Basic dynamic load rating C50 kN
Basic static load rating C032.5 kN
Fatigue load limit Pu1.37 kN
Calculation factor A0.0173
Calculation factor kr0.1
Calculation factor e1.14
Calculation factor X0.57
Calculation factor Y00.52
Calculation factor Y20.93
Calculation factor Y10.55
Mass bearing0.62 kg
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Company Profile

Worktime Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00)
Phone (65) 8257 8518
Fax (65) 6258 7399
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