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1 in stock
Deep groove ball bearing, 25 x 62 x 17 mm, straight bore, low-friction non-contact rubber seals both sides, CN clearance, 8500 rpm. Grease filled.
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| MFR / Brand | NTN |
|---|---|
| MPN | 6305LLBPM9B |
| Model | 6305 LLB LB 2RS RS PM 9B |
| Bearing Type | Ball Bearing, Double Rubber Seal |
| ID | 25 mm |
| OD | 62 mm |
| Width | 17 mm |
| Condition | New |
|---|---|
| Lubricant | Grease |
| Material | Bearing Steel |
| Base Number | 6305 |
| Industry Terms | deep groove ball bearing; sealed ball bearing; non-contact seal bearing; 6305 2RS; low friction sealed bearing |
| Common Misspellings | 6305 LLB PM9B; 6305LB; 6305LLB-P-M9B; 3605LLB |
| Application Types | Electric motors; pumps; fans; gearbox and conveyor idler shafts; general machinery |
| Bore Shaft Size | 25 mm |
| Mpn Variants | 6305LLB; 6305LLBPM9B; 6305-LLB-PM-9B; 6305 LLB; 6305RS; 6305-2RS; 6305 |
| Precision Class | P0 (normal, ABEC 1) |
| Min Temp | -25°C |
| Cage Type | Steel |
| Dynamic Load Rating | 23.5 kN |
| Static Load Rating | 10.9 kN |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Balls |
| Max Temp | 110°C |
| Item Weight | 0.51 lbs |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Design Units | Metric |
| Internal Clearance | CN |
| Part Number | 6305LLBPM9B |
| Cross Reference 1 | SKF 6305-2RZ |
|---|---|
| Cross Reference 2 | FAG 6305-2RSR |
| Cross Reference 3 | NSK 6305VV |
| Cross Reference 4 | 6305LLBPM9B (carton marking, factory suffixes) |
| Cross Reference 6 | NTN 6305ZZ (related size, steel shields) |
An NTN 6305LLB single-row deep groove ball bearing, 25 mm bore, 62 mm outside diameter, 17 mm width. Straight bore, low-friction non-contact rubber seals on both faces, steel cage, grease filled, normal precision class, CN internal clearance.
63 is the 03 dimension series deep groove ball bearing and the bore code 05 gives 25 mm. LLB is the NTN code for a non-contact rubber seal on both faces; the contact-seal code in the same scheme is LLU. No clearance suffix follows, so radial internal clearance is CN. The remaining carton characters are NTN factory suffixes and are held as cross-references.
A non-contact seal has no rubbing lip on the inner ring, so it adds almost no friction or heat and keeps the full speed rating of the open bearing while still excluding splash and coarse contamination. A contact seal excludes more but costs speed and runs warmer. The 03 series section is the heavier of the two common deep groove sections at this bore, so radial capacity is higher than a 62-series bearing on the same shaft.
5 Pcs. Each unit is a complete sealed and grease-filled bearing, without snap ring.
Mounting force is applied to the ring taking the interference fit, so the inner ring is pressed on the shaft and the outer ring into the housing without transmitting load through the balls. The seals are factory fitted and the grease charge is for life.
SKF 6305-2RZ and FAG 6305-2RSR are the same-envelope non-contact sealed equivalents. NTN 6305LLU is a related size with contact seals on both faces, and NTN 6305ZZ is a related size with steel shields.
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