100 mm x 140 mm x 40 mm NSK NNU4920MB cylindrical roller bearings
| Brand Name: | NSK |
| Model Number: | NNU4920MB |
| Bearing number: | 6307-2Z |
| Size (mm): | 80x35x21 |
| Bore Diameter (mm): | 80 |
| Outer Diameter (mm): | 35 |
| Width (mm): | 21 |
| d: | 35 mm |
| D: | 80 mm |
| B: | 21 mm |
| PDF |
NNU4920MB |
Product Details
| Bearing number | 6307-2Z |
| Size (mm) | 80x35x21 |
| Bore Diameter (mm) | 80 |
| Outer Diameter (mm) | 35 |
| Width (mm) | 21 |
| d | 35 mm |
| D | 80 mm |
| B | 21 mm |
| d1 | 49.56 mm |
| D2 | 69.2 mm |
| r1,2 - min. | 1.5 mm |
| da - min. | 44 mm |
| da - max. | 49.5 mm |
| Da - max. | 71 mm |
| ra - max. | 1.5 mm |
| Basic dynamic load rating - C | 35.1 kN |
| Basic static load rating - C0 | 19 kN |
| Fatigue load limit - Pu | 0.815 kN |
| Reference speed | 19000 r/min |
| Limiting speed | 9500 r/min |
| Calculation factor - kr | 0.03 |
| Calculation factor - f0 | 13.1 |
| Category | Single Row Ball Bearing |
| Inventory | 2.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.47 |
| Product Group | B00308 |
| Enclosure | 2 Metal Shields |
| 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 | 35MM Bore; 80MM Outside Diameter; 21MM Outer Race Diameter; 2 Metal Shields; 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 | 6307-2Z |
| Weight / LBS | 1.04 |
| Outer Race Width | 0.827 Inch | 21 Millimeter |
| Bore | 1.378 Inch | 35 Millimeter |
| Outside Diameter | 3.15 Inch | 80 Millimeter |
| d1 ≈ | 49.56 mm |
| D2 ≈ | 69.2 mm |
| r1,2 min. | 1.5 mm |
| da min. | 44 mm |
| da max. | 49.5 mm |
| Da max. | 71 mm |
| ra max. | 1.5 mm |
| Basic dynamic load rating C | 35.1 kN |
| Basic static load rating C0 | 19 kN |
| Fatigue load limit Pu | 0.815 kN |
| Calculation factor kr | 0.03 |
| Calculation factor f0 | 13.1 |
| Mass bearing | 0.47 kg |
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