Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Maximum capacity filling-notch ball bearing, 40 x 90 x 23 mm, metal shields both sides, snap ring fitted. 46,800 N dynamic rating, 6,200 rpm grease.
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$32.78
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Deep Groove Ball Bearing — Filling-Notch Max Type, 40 mm ID, 90 mm OD, 23 mm Width, Single Shield, Snap-Ring Groove$30.24
Spindle Deep Groove Ball Bearing – 40 mm ID x 90 mm OD x 23 mm, Straight Bore, Open, Phenolic Cage, ABEC 3 / P6$25.46
Deep Groove Ball Bearing, 40 mm Bore, 90 mm OD, 23 mm Width, Open, Pressed Brass Cage$30.61
Deep Groove Ball Bearing - Straight Bore, 40 mm ID, 62 mm OD, 12 mm Width, Rubber Contact Seals Both Sides, 69 Thin Section Series$27.51| MFR / Brand | MRC |
|---|---|
| MPN | 308MFFG |
| Model | 6308 2Z NR |
| Bearing Type | Ball Bearing |
| ID | 40 mm |
| OD | 90 mm |
| Width | 23 mm |
| Base Number | 308 |
|---|---|
| Industry Terms | max type bearing, filling slot ball bearing, snap ring bearing, maximum capacity ball bearing |
| Mpn Variants | 308MFFG, 308-MFFG, 308-M-FF-G, 308 MFFG, 6308-ZZ-NR, 6308 2Z NR |
| Dynamic Load Rating | 46,800 N |
| Static Load Rating | 36,000 N |
| Series | MRC 300-M |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Limiting Speed | 6,200 rpm grease; 7,500 rpm oil |
| Internal Clearance | CN |
| Cross Reference 1 | NSK BL308ZZNR |
|---|---|
| Cross Reference 2 | 6308-2Z-NR (related, Conrad type) |
MRC 308MFFG single-row maximum capacity ball bearing, Max Type, with a filling notch, a metal shield on each face and a snap ring on the outer ring. MRC is an SKF brand. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 23 mm. The filling notch admits more balls than a Conrad deep groove bearing of the same envelope, which raises the radial load rating.
308 — MRC 300 medium series, 40 mm bore, 90 mm outside diameter, 23 mm width.
M — maximum capacity type: a filling notch in the ring shoulders carries a full ball complement for higher radial capacity.
FF — two metal shields, one on each face.
G — snap ring fitted in a groove on the outer ring for axial location in the housing.
Dynamic Load Rating: 46,800 N. Static Load Rating: 36,000 N. Limiting Speed: 6,200 rpm grease; 7,500 rpm oil. Closure Type: Shields both sides. Snap Ring: Included. Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Internal Clearance: CN.
Fillet Radius (ra max): 1.5 mm. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 23 mm.
Unit Quantity: 1 Pc.
Interchanges with NSK BL308ZZNR, the NSK double-shield maximum capacity bearing with snap ring on the same 40 x 90 x 23 mm envelope. The 6308-2Z-NR shares the envelope as a Conrad-type deep groove bearing with a smaller ball complement and lower radial rating, so it is a related part, not an interchange. MPN Variants: 308-MFFG, 308-M-FF-G, 308 MFFG.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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