NNU4938 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4938 |
| Bearing number: |
6307N |
| Size (mm): |
35x80x21 |
| Bore Diameter (mm): |
35 |
| Outer Diameter (mm): |
80 |
| Width (mm): |
21 |
| d: |
35 mm |
| D: |
80 mm |
| B: |
21 mm |
| PDF |
NNU4938 |
Product Details
| Bearing number |
6307N |
| Size (mm) |
35x80x21 |
| Bore Diameter (mm) |
35 |
| Outer Diameter (mm) |
80 |
| Width (mm) |
21 |
| d |
35 mm |
| D |
80 mm |
| B |
21 mm |
| C |
21 mm |
| rn |
0,5 mm |
| a |
3,28 mm |
| b |
1,9 mm |
| r min. |
1,5 mm |
| r0 max. |
0,6 mm |
| D1 |
76,81 mm |
| da min. |
43 mm |
| da max |
47 mm |
| Da max. |
72 mm |
| ra max. |
1,5 mm |
| Weight |
0,464 Kg |
| Basic dynamic load rating (C) |
33,5 kN |
| Basic static load rating (C0) |
19,2 kN |
| (Grease) Lubrication Speed |
8 500 r/min |
| (Oil) Lubrication Speed |
10 000 r/min |
| Category |
Single Row Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.46 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Rolling Element |
Ball Bearing |
| Snap Ring |
Yes |
| Internal Special Features |
No |
| Cage Material |
Steel |
| Internal Clearance |
C0-Medium |
| Inch - Metric |
Metric |
| Long Description |
35MM Bore; 80MM Outside Diameter; 21MM Outer Race Width; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; Yes Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel Cage |
| Other Features |
Deep Groove | With Snap Ring Groove |
| UNSPSC |
31171504 |
| Harmonized Tariff Code |
8482.10.50.68 |
| Noun |
Bearing |
| Keyword String |
Ball |
| Weight / LBS |
1.0231 |
| Outer Race Width |
0.827 Inch | 21 Millimeter |
| Outside Diameter |
3.15 Inch | 80 Millimeter |
| Inner Race Width |
0 Inch | 0 Millimeter |
| Bore |
1.378 Inch | 35 Millimeter |
| SRI |
6.81 |
| hidYobi |
6307N |
| LangID |
1 |
| ro |
0.6 |
| D_ |
80 |
| SREX |
0.05 |
| B_ |
21 |
| da min |
43 |
| hidTable |
ecat_NSRDGB |
| Oil rpm |
10000 |
| SRE |
7.15 |
| mass |
0.464 |
| GRS rpm |
8500 |
| ra |
1.5 |
| SRIX |
0.025 |
| D_a |
72 |
| C0 |
19.2 |
| fo |
13.2 |
| DE_ |
71.494 |
| Prod_Type3 |
DGBB_SR_N_OT |
| DA_ |
13.494 |
| Z_ |
8 |
| yobi |
6307N |
| C_conv |
33500 |
| SDM_ |
58 |
| r |
1.5 |
| KBRG |
6101 |
| SBRG |
3 |
| DI_ |
44.506 |