NSK NU203WC3 Roller Bearings
| Bearing number: | 7238 BCBM |
| Size (mm): | 340x190x55 |
| Bore Diameter (mm): | 340 |
| Outer Diameter (mm): | 190 |
| Width (mm): | 55 |
| d: | 190 mm |
| D: | 340 mm |
| B: | 55 mm |
| PDF |
|
Product Details
| Bearing number | 7238 BCBM |
| Size (mm) | 340x190x55 |
| Bore Diameter (mm) | 340 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 55 |
| d | 190 mm |
| D | 340 mm |
| B | 55 mm |
| d1 | 250.4 mm |
| d2 | 224.1 mm |
| D1 | 285.4 mm |
| a | 139 mm |
| r1,2 - min. | 4 mm |
| r3,4 - min. | 1.5 mm |
| da - min. | 207 mm |
| Da - max. | 323 mm |
| Db - max. | 331 mm |
| ra - max. | 3 mm |
| rb - max. | 1.5 mm |
| Basic dynamic load rating - C | 307 kN |
| Basic static load rating - C0 | 405 kN |
| Fatigue load limit - Pu | 10.4 kN |
| Reference speed | 2000 r/min |
| Limiting speed | 2200 r/min |
| Calculation factor - kr | 0.08 |
| Calculation factor - ka | 1.2 |
| Calculation factor - e | 1.14 |
| Calculation factor - X | 0.35 |
| Calculation factor - Y0 | 0.26 |
| Calculation factor - Y1 | 0.55 |
| Calculation factor - Y2 | 0.57 |
| Category | Angular Contact Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 22.127 |
| Product Group | B00308 |
| Enclosure | Open |
| Flush Ground | Yes |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Single Row |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Brass |
| Contact Angle | 40 Degree |
| Internal Clearance | CB |
| Number of Bearings | 1 (Single) |
| Mounting Arrangement | Universal |
| Inch - Metric | Metric |
| Long Description | 190MM Bore; 340MM Outside Diameter; 55MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; CB; Brass Cage; 40 Degree; 1 (Single); Univer |
| Other Features | Normal Axial Internal Clearance |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer Item Number | 7238 BCBM |
| Outside Diameter | 13.386 Inch | 340 Millimeter |
| Width | 2.165 Inch | 55 Millimeter |
| Bore | 7.48 Inch | 190 Millimeter |
| bore diameter: | 190 mm |
| radial static load capacity: | 405 kN |
| outside diameter: | 340 mm |
| cage material: | Brass |
| overall width: | 55 mm |
| outer ring width: | 55 mm |
| contact angle: | 40 ° |
| maximum rpm: | 2200 RPM |
| row type & fill slot: | Single-Row Non-Fill Slot |
| finish/coating: | Uncoated |
| internal clearance: | C0 |
| precision rating: | Not Rated |
| closure type: | Open |
| fillet radius: | 3 mm |
| radial dynamic load capacity: | 307 kN |
| series: | 72 |
| d1 ≈ | 250.4 mm |
| d2 ≈ | 224.1 mm |
| D1 ≈ | 285.4 mm |
| r1,2 min. | 4 mm |
| r3,4 min. | 1.5 mm |
| da min. | 207 mm |
| Da max. | 323 mm |
| Db max. | 331 mm |
| ra max. | 3 mm |
| rb max. | 1.5 mm |
| Basic dynamic load rating C | 307 kN |
| Basic static load rating C0 | 405 kN |
| Fatigue load limit Pu | 10.4 kN |
| Calculation factor A | 2.63 |
| Calculation factor kr | 0.08 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.57 |
| Calculation factor Y0 | 0.52 |
| Calculation factor Y2 | 0.93 |
| Calculation factor Y1 | 0.55 |
| Mass bearing | 22 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
