Find a Service Center
Alternate Products
NSK Corp.
6311DDUC3
HPS – High Performance Standard 6300 Series Single Row Deep Groove Ball Bearing
Item #100761415
NTN Bearing Corp.
6311LLUC3/EM
Single Row Radial Ball Bearing - Double Sealed (Contact Rubber Seal)
Item #101928538
- 2.17 in Inner Diameter
- 4.72 in Outer Diameter
- Deep Groove Bearing
- 1.14 in Overall Width
- Steel Bearing
features
- Best used for moderate radial and low axial load applications
- Made from premium high carbon, high chromium Japanese steel
- Available with steel (no callout) or brass (FY) cage
- Available with seals (2RD, 2RS, 2RU), shields (ZZ), open and/or with a snap ring (NR) options
- All double sealed and double shielded product come with Polyrex XM Grease
- The 2RD Seal is used for high speed and/or reduced drag applications in addition to applications that require maximum sealing ability
- Available in miniature (EE) inch product
- Available with cermamic balls (3NCH or 3NC in prefix)
- Available in max capacity/special heat treat (RSH2 in suffix)
| Precision | Standard |
| Preload Level | None |
| Precision Level | Standard (ABEC 1) |
| Bore Type | Round |
| Outer Ring Width | 29 mm |
| Bearing Type | Deep Groove |
| Dynamic Load Rating | 89.5 kN |
| Cage Type | Riveted |
| Overall Width | 1.14 in, 29 mm |
| Static Load Rating | 45 kN |
| Ball Material | Steel |
| Radial Internal Clearance Specification | Greater Than Normal Clearance |
| Snap Ring | No Snap Ring |
| Fillet Radius | 0.08 in, 2 mm |
| Radial Internal Clearance | C3 |
| Series | 6300 |
| Rolling Element | Ball |
| Enclosure | Double Sealed |
| Operating Temperature [Max] | 212 ˚F |
| Lubricant | Grease |
| Component | Assembly |
| O.D. Type | Straight |
| Material | High Carbon Steel Alloy |
| Self Aligning | No |
| No. in Set | Single Bearing |
| I.D. | 2.17 in, 55 mm |
| Operating Temperature [Min] | -22 ˚F |
| O.D. | 4.72 in, 120 mm |
| Width | 29.000 mm |
| Rows of Balls | Single |
| Contact Angle | 0° |
| Seal Type | Extremely Light Contact Seals |
| Precision Class | Class 0 |
| Bearing Material | Steel |
| Inch/Metric | Metric Bore |
| Speed (Max) Grease | 3700 rpm |
| Cage Material | Steel |
| Internal Clearance | C3 |
| Relubricatable | No |
| Limiting Speed - Grease | 5000 rpm |
| Capacity | Standard Capacity |
| Locking Device | No Locking Device |
| Static Load Rating [Max] | 10,116.00 lbf |
| Rolling Element Material | High Carbon Chromium Bearing Steel |
| Weight | 3.1 LB |
| EAN or UPC | 605790078033 |
