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Produktinformation

Bearing number:NU 321 ECJ
Size (mm):225x105x49
Bore Diameter (mm):225
Outer Diameter (mm):105
Width (mm):49
d:105 mm
D:225 mm
B:49 mm
D1:189 mm
F:133 mm
r1,2 - min.:3 mm
r3,4 - min.:3 mm
s:3.4 mm
da - min.:119 mm
da - max.:129 mm
db - min.:136 mm
Da - max.:209.4 mm
ra - max.:2.5 mm
rb - max.:2.5 mm
Basic dynamic load rating - C:500 kN
Basic static load rating - C0:500 kN
Fatigue load limit - Pu:57 kN
Reference speed:3200 r/min
Limiting speed:3800 r/min
Calculation factor - kr:0.15
Category:Cylindrical Roller Bearing
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:8.718
Product Group:B04144
Bore Profile:Straight
Cage Material:Steel
Precision Class:RBEC 1 | ISO P0
Number of Rows of Rollers:Single Row
Separable:Inner Ring - Both Sides
Rolling Element:Cylindrical Roller Bearing
Profile:Complete with Outer and Inner Ring
Snap Ring:No
Internal Clearance:C0-Medium
Retainer:Yes
Relubricatable:Yes
Inch - Metric:Metric
Other Features:High Capacity | Plain Inner Ring | 2 Rib Outer Ring | Cage on Outer Ring ID
Long Description:105MM Bore; Straight Bore Profile; 225MM Outside Diameter; 49MM Width; Steel Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - Both Sides Separable; No Snap Ring; Relubricatable; C0-Medium Int
UNSPSC:31171547
Harmonized Tariff Code:8482.50.00.00
Noun:Bearing
Manufacturer Item Number:NU 321 ECJ
Weight / LBS:19.202
Bore:4.134 Inch | 105 Millimeter
Outside Diameter:8.858 Inch | 225 Millimeter
Width:1.929 Inch | 49 Millimeter
bore diameter::105 mm
static load capacity::500 kN
outside diameter::225 mm
precision rating::Not Rated
overall width::49 mm
maximum rpm::3800 RPM
flanges::(2) Outer Ring
bearing material::Steel
bore type::Straight
cage material::Steel
number of rows::1
finish/coating::Uncoated
internal clearance::C0
closure type::Open
ring separation::Separable Ring
outer ring width::49 mm
operating temperature range::Maximum of +300 °F
fillet radius::2.5 mm
dynamic load capacity::500 kN
series::NU3
D1 ≈:189 mm
r1,2 min.:3 mm
r3,4 min.:3 mm
s max.:3.4 mm
da min.:119 mm
da max.:129 mm
db min.:136 mm
Da max.:209.4 mm
ra max.:2.5 mm
rb max.:2.5 mm
Basic dynamic load rating C:500 kN
Basic static load rating C0:500 kN
Fatigue load limit Pu:57 kN
Calculation factor kr:0.15
Limiting value e:0.2
Axial load factor Y:0.6
Mass bearing:8.56 kg

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