Bearing number |
6904 |
Size (mm) |
20x37x9 |
Bore Diameter (mm) |
20 |
Outer Diameter (mm) |
37 |
Width (mm) |
9 |
d |
20 mm |
D |
37 mm |
B |
9 mm |
C |
9 mm |
r min. |
0,3 mm |
da min. |
22 mm |
da max |
24 mm |
Da max. |
35 mm |
ra max. |
0,3 mm |
Weight |
0,036 Kg |
Basic dynamic load rating (C) |
6,4 kN |
Basic static load rating (C0) |
3,7 kN |
(Grease) Lubrication Speed |
19 000 r/min |
(Oil) Lubrication Speed |
23 000 r/min |
rs min |
0.3 mm |
Radial clearance class |
CN |
Mass |
0.02 kg |
Dynamic load, C |
6.4 kN |
Static load, C0 |
3.7 kN |
Fatigue limit load, Cu |
0.17 kN |
f0 |
14.7 |
Nlim (oil) |
23,000 rpm |
Nlim (grease) |
19,000 rpm |
Min operating temperature, Tmin |
-20 °C |
Max operating temperature, Tmax |
120 °C |
Characteristic cage frequency, FTF |
0.42 Hz |
Characteristic rolling element frequency, BSF |
5.82 Hz |
Characteristic outer ring frequency, BPF0 |
4.58 Hz |
Characteristic inner ring frequency, BPFI |
6.42 Hz |
da min |
22 mm |
Da max |
35 mm |
ra max |
0.3 mm |
Category |
Single Row Ball Bearing |
Inventory |
0.0 |
Minimum Buy Quantity |
N/A |
Weight / Kilogram |
0.03 |
Product Group |
B00308 |
Enclosure |
Open |
Precision Class |
ABEC 1 | ISO P0 |
Maximum Capacity / Filling Slot |
No |
Rolling Element |
Ball Bearing |
Snap Ring |
No |
Internal Special Features |
No |
Cage Material |
Steel |
Internal Clearance |
C0-Medium |
Inch - Metric |
Metric |
Long Description |
20MM Bore; 37MM Outside Diameter; 9MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
UNSPSC |
31171504 |
Harmonized Tariff Code |
8482.10.50.68 |
Noun |
Bearing |
Keyword String |
Ball |
Manufacturer Item Number |
6904 |
Weight / LBS |
0.067 |
Outside Diameter |
1.457 Inch | 37 Millimeter |
Bore |
0.787 Inch | 20 Millimeter |
Outer Race Width |
0.354 Inch | 9 Millimeter |
bore diameter: |
20 mm |
finish/coating: |
Uncoated |
outside diameter: |
37 mm |
bearing material: |
High Carbon Chrome Steel |
overall width: |
9 mm |
cage material: |
Steel |
bore type: |
Round |
inner ring width: |
9 mm |
closure type: |
Open |
outer ring width: |
9 mm |
row type & fill slot: |
Single Row Non-Fill Slot |
maximum rpm (grease): |
19000 rpm |
snap ring included: |
Without Snap Ring |
maximum rpm (oil): |
23000 rpm |
internal clearance: |
CN |
fillet radius: |
0.3 mm |
operating temperature range: |
-40 to 120 ºC |
maximum rpm: |
23000 RPM |
dynamic load capacity: |
6400 N |
series: |
69 |
static load capacity: |
3700 N |
manufacturer product page: |
Click here |
precision rating: |
Class 0 |