store Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
3 in stock
Single-row spindle deep groove ball bearing, 65 x 140 x 33 mm, ABEC 5 / P5 precision, phenolic cage, straight bore, open. 102,754 N dynamic load.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | M313KCR |
| Model | M-313-K-CR / 6313 T P5 |
| Bearing Type | Ball Bearing, Open |
| ID | 65 mm |
| OD | 140 mm |
| Width | 33 mm |
| Material | Chrome steel |
|---|---|
| Series | 300K |
| Base Number | M313K |
| Industry Terms | Spindle bearing; precision deep groove ball bearing |
| Common Misspellings | M313 KCR, M-313KCR, M313KCR-, M313CR, Fafnir M313K, 313KCR |
| Overall Width | 33 mm |
| Bore Shaft Size | 65 mm |
| Mpn Variants | M313KCR, M313K-CR, M-313-K-CR, M 313 K CR, 6313 T P5, 313K |
| Precision Class | ABEC 5 / P5 |
| Dynamic Load Rating C1 | 102,754 N |
| Dynamic Load Rating | 102,754 N |
| Static Load Rating | 59,606 N |
| Precision Rating | ABEC 5 / P5 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Limiting Speed | 2,930 rpm grease; 3,410 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Lubricant | Grease or oil |
| Harmonization Code | 8482.10.50.68 |
| Design Units | Metric |
| Bearing Material | Chrome steel |
| Part Number | M313KCR |
| Application Types | Machine tool spindles; precision rotating equipment |
| Closure Type | Open |
| Cross Reference 1 | SKF 6313/P5 |
|---|---|
| Cross Reference 2 | FAG 6313-P5 |
| Cross Reference 3 | NSK 6313P5 |
| Cross Reference 4 | NTN 6313P5 |
| Cross Reference 5 | Koyo 6313 P5 |
| Cross Reference 6 | RHP 6313 (related, standard-class Conrad type) |
| Cross Reference 7 | SNR 6313 (related, standard-class Conrad type) |
| Cross Reference 8 | MRC 6313 (related, standard-class Conrad type) |
| Cross Reference 9 | Timken/Fafnir 313K (related, standard-class Conrad type) |
Fafnir M313KCR precision spindle deep groove ball bearing, single row, straight bore, open. Unit Quantity: 1 Pc, one bearing complete with inner ring, outer ring, ball complement and cage. Manufacturer Part Number: M313KCR. Base Number: M313K.
313K — the Fafnir 300K spindle deep groove family at 65 mm bore: one row of balls running in a deep radial groove, ground and cased to spindle quality.
CR — phenolic cage. Cage Material: Phenolic.
P5 — Precision Class: ABEC 5 / P5, tighter bore, outside-diameter and running-accuracy tolerances than standard class.
Bearing Type: Deep groove ball bearing, spindle quality. Series: 300K. Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Bearing Material: Chrome steel. Design Units: Metric. Dynamic Load Rating: 102,754 N. Static Load Rating: 59,606 N. Limiting Speed: 2,930 rpm grease; 3,410 rpm oil. Lubricant: grease or oil. Precision Class: ABEC 5 / P5. Cage Material: Phenolic. Country of Origin: United States.
Bore Diameter: 65 mm. Outside Diameter: 140 mm. Overall Width: 33 mm. Maximum shaft fillet radius: 2.11 mm. Shaft backing shoulder diameter: 77 mm. Housing backing shoulder diameter: 128 mm. Outer ring to-clear radius: 2.11 mm.
Envelope: ISO 6313, 65 x 140 x 33 mm. Crosses in the P5 class: SKF 6313/P5, FAG 6313-P5, NSK 6313P5, NTN 6313P5, Koyo 6313 P5. Standard-class Conrad types with the same fit and one class lower running accuracy: RHP 6313, SNR 6313, MRC 6313, Timken/Fafnir 313K. Searchable forms of the number: M313KCR, M313K-CR, M-313-K-CR, M 313 K CR, 6313 T P5, 313K.
Bore Diameter: 65 mm. Outside Diameter: 140 mm. Overall Width: 33 mm.
Precision Class: ABEC 5 / P5. Cage Material: Phenolic.
Dynamic Load Rating: 102,754 N. Static Load Rating: 59,606 N. Limiting Speed: 2,930 rpm grease; 3,410 rpm oil.
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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