Product Details

17 mm x 30 mm x 7 mm NSK 7903 C angular contact ball bearings

Brand Name NSK
Model Number 7903 C
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

NSK 7903 C bearing Size Chart (mm/inches)

d40 mm
D80 mm
B18 mm
E70 mm
F50 mm
d154.2 mm
rs min1.1 mm
r1s min1.1 mm
Radial clearance classC3
Mass (without HJ ring)0.4 kg
Dynamic load, C43.5 kN
Static load, C043 kN
Fatigue limit load, Cu5.2 kN
Nlim (oil)11,000 rpm
Nlim (grease)9,400 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.42 Hz
Characteristic rolling element frequency, BSF5.83 Hz
Characteristic outer ring frequency, BPF05.42 Hz
Characteristic inner ring frequency, BPFI7.58 Hz
da min46.5 mm
dc min56 mm
Da max73.5 mm
ra max1 mm
CategoryCylindrical Roller Bearings
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram0.396
Product GroupB04144
Bore ProfileStraight
Cage MaterialSteel
Precision ClassRBEC 1 | ISO P0
Number of Rows of RollersSingle Row
Rolling ElementCylindrical Roller Bearing
ProfileComplete with Outer and Inner Ring
Snap RingNo
Internal ClearanceC3-Loose
Inch - MetricMetric
Other Features1 Rib Inner Ring with Side Plate | 2 Rib Outer Ring | Cage On Outer Ring ID
Long Description40MM Bore; Straight Bore Profile; 80MM Outside Diameter; 18MM Width; Steel Cage Matetrial; RBEC 1 | ISO P0; Single Row; Not Separable; No Snap Ring; Relubricatable; C3-Loose Internal Clearance; Retain
CategoryCylindrical Roller Bearing
Harmonized Tariff Code8482.50.00.00
Manufacturer URL
Manufacturer Item NumberNUP208C3
Weight / LBS0.875
Outside Diameter3.15 Inch | 80 Millimeter
Bore1.575 Inch | 40 Millimeter
Width0.709 Inch | 18 Millimeter
bore diameter:40 mm
static load capacity:43000 N
outside diameter:80 mm
precision rating:ISO Class 0
overall width:18 mm
maximum rpm:11000 rpm
flanges:(2) Outer Ring, (2) Inner Ring
bearing material:Hardened Alloy Steel
bore type:Straight
cage material:Pressed Steel
number of rows:1
internal clearance:C3
closure type:Open
ring separation:Separable Inner Ring
fillet radius:1.1 mm
operating temperature range:-40 to 120 ºC
manufacturer product page:Click here
dynamic load capacity:43500 N
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