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Single-row deep groove ball bearing, 50 x 110 x 27 mm, precision class P4, phenolic cage, open both faces. Sold as 1 piece.
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$198.17
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 6310TP4 |
| Model | MM 310 K CR / 6310 T P4 6310P4 / 6310 TB P4 |
| Bearing Type | Ball Bearing, Open |
| ID | 50 mm |
| OD | 110 mm |
| Width | 27 mm |
| Material | Bearing Steel |
|---|---|
| Series | 6300 |
| Condition | New |
| Base Number | 6310 |
| Industry Terms | precision deep groove ball bearing, spindle ball bearing, phenolic cage bearing, ABEC 7 ball bearing |
| Common Misspellings | RPH, R.H.P., 6310TP-4, 6310 TP4, 63l0TP4 |
| Application Types | machine tool spindles, precision gearboxes, high-speed electric motors, grinding heads |
| Bore Shaft Size | 50 mm (1.9685 in) |
| Mpn Variants | 6310TP4, 6310 TP4, 6310-T-P4, 6310TGEP7, 6310 TG EP7 |
| Precision Class | P4 (ABEC 7) |
| Min Temp | -40 °C |
| Cage Type | Phenolic |
| Dynamic Load Rating | 62 kN |
| Static Load Rating | 38 kN |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 2.36 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Design Units | Metric |
| Internal Clearance | CN |
| Part Number | 6310TP4 |
| Cross Reference 1 | 6310-TB-P4 (FAG, same envelope and class) |
|---|---|
| Cross Reference 2 | 6310TGEP7 (RHP grade scheme) |
| Cross Reference 3 | 6310 |
A single-row deep groove ball bearing in the 6310 envelope, 50 mm bore × 110 mm outside diameter × 27 mm width, built to P4 precision with a phenolic cage and open on both faces.
6 — single-row deep groove ball bearing
3 — ISO dimension series 3 (medium)
10 — bore code, 50 mm bore
T — phenolic (fabric-laminate) cage
P4 — ABEC 7 tolerance class
No clearance suffix — CN, normal radial internal clearance
A deep groove ball bearing carries radial load with a useful share of thrust in both directions from a single row, and is the lowest-friction option in this envelope. P4 tolerances hold bore, outside diameter and running accuracy far tighter than a standard bearing, which is what allows it to run in a precision spindle position alongside angular contact bearings. The phenolic cage is light and self-lubricating, raising the practical speed ceiling and suiting oil-mist lubrication; it sets a lower temperature limit than a steel or brass cage.
Unit quantity: 1 Pc
Closure: open both faces, no shields or seals
Internal clearance: CN
P4 rings are mounted with matched shaft and housing fits; an open bearing at this class is normally lubricated after mounting to the spindle builder’s oil or grease schedule.
Written also as 6310 TP4, 6310-T-P4 and 6310TGEP7 in RHP’s own grade scheme. 6310-TB-P4 is the equivalent-envelope FAG designation. Same-envelope 6310 bearings with shields, seals, a steel cage or C3 clearance are related sizes rather than interchanges.
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