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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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1 in stock
Single-row deep groove ball bearing, 35 mm bore x 80 mm OD x 21 mm wide, steel shields both sides, pressed steel cage. Dynamic load rating 35,200 N.
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| MFR / Brand | SNR |
|---|---|
| MPN | 6307ZZ |
| Model | 6307-Z |
| Bearing Type | Ball Bearing, Shields both sides |
| ID | 35 mm |
| OD | 80 mm |
| Width | 21 mm |
| Material | Steel |
|---|---|
| Series | 6300 |
| Lubricant | Grease |
| Base Number | 6307 |
| Industry Terms | deep groove ball bearing, shielded ball bearing, 2Z bearing, ZZ bearing, radial ball bearing, 6300 series |
| Common Misspellings | 6307Z2, 6370ZZ, 637ZZ, 6307ZZZ |
| Overall Width | 21 mm |
| Mpn Variants | 6307ZZ, 6307 ZZ, 6307-ZZ, 6307.ZZ, 6307Z, 6307-Z, 6307-2Z |
| Precision Class | ABEC 1 / P0 |
| Min Temp | -20 °C |
| Dynamic Load Rating | 35,200 N |
| Static Load Rating | 19,300 N |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.453 kg (1.00 lb) |
| Cage Material | Pressed steel |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 11,000 rpm grease |
| Internal Clearance | CN |
| Duty Type | Standard Duty |
| Harmonization Code | 8482.1 |
| Cross Reference 1 | SKF 6307-2Z |
|---|---|
| Cross Reference 2 | FAG 6307-2ZR |
| Cross Reference 3 | NSK 6307ZZ |
| Cross Reference 4 | NTN 6307ZZ |
| Cross Reference 5 | Koyo 6307ZZ |
| Cross Reference 6 | Fafnir 307KDD |
| Cross Reference 7 | MRC 307SFF |
The SNR 6307ZZ is a single-row deep groove ball bearing from NTN-SNR with pressed steel shields on both sides and a pressed steel cage. It carries radial load and moderate axial load in both directions. Unit Quantity: 1 Pc.
63 — single-row deep groove ball bearing, ISO medium series 03.
07 — bore code 07: 35 mm bore, 80 mm outside diameter, 21 mm width.
ZZ — pressed steel shields on both sides, equivalent to 2Z.
Dynamic Load Rating: 35,200 N. Static Load Rating: 19,300 N. Fatigue Limit Load: 880 N. Reference Speed: 9,900 rpm. Limiting Speed: 11,000 rpm grease. Closure Type: Shields both sides. Cage Material: Pressed steel. Internal Clearance: CN. Rolling Elements: Ball. Min Temp: -20 °C. Max Temp: 120 °C. Item Weight: 0.453 kg (1.00 lb).
Bore Diameter: 35 mm. Outside Diameter: 80 mm. Overall Width: 21 mm. Inner Ring Shoulder Diameter d1: 48.4 mm. Outer Ring Inner Diameter D1: 69.2 mm. Minimum Chamfer rs: 1.5 mm. Shaft Abutment Diameter da: 43 to 48.4 mm. Housing Abutment Diameter Da max: 72 mm. Fillet Radius ra max: 1.5 mm. Calculation factor f0: 13.2. Bearing defect frequencies at 60 rpm: BPFO 3.077 Hz, BPFI 4.923 Hz, BSF 4.105 Hz, FTF 0.385 Hz.
Cross-references with the same 35 x 80 x 21 mm envelope, shields both sides and normal clearance: SKF 6307-2Z, FAG 6307-2ZR, NSK 6307ZZ, NTN 6307ZZ, Koyo 6307ZZ, Fafnir 307KDD, MRC 307SFF.
Bore Diameter 35 mm, Outside Diameter 80 mm, Overall Width 21 mm.
ZZ denotes pressed steel shields on both sides, equivalent to 2Z.
Dynamic Load Rating 35,200 N and Static Load Rating 19,300 N; Limiting Speed 11,000 rpm with grease.
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