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Product Description
416kg · Cr 41,000N / Cor 51,000N · 120rpm (grease) / 160rpm (oil) · GCr15 / 52100 · Rolling Mills · Mining · Gearboxes
Parameter | Value |
Part Number | 3519/670 |
Cross Reference | 10979/670 |
Type | Double Row Tapered Roller Bearing |
Bore (d) | 670 mm |
OD (D) | 900 mm |
Width (B) | 240 mm |
Weight | 416 kg |
Dynamic Load Rating (Cr) | 41,000 N |
Static Load Rating (Cor) | 51,000 N |
Limiting Speed (grease) | 120 rpm |
Limiting Speed (oil) | 160 rpm |
Material | GCr15 / AISI 52100 / 100Cr16 / SUJ2 / 683/XVIII / SKF3 |
Precision | ABEC-1/3/5/7/9 · DIN620 P0/P6/P5/P4/P2 |
Clearance | C0 / C2 / C3 / C4 / C5 |
Sealing | Open (standard) · 2RS / ZZ on request |
HS Code | 8482800000 |
Brand | Nexans Bearings |
The 3519/670 (10979/670) is a 670×900×240mm double row tapered roller bearing weighing 416kg. Both designations refer to the identical bearing — 3519/670 is the GB/ISO standard; 10979/670 is the alternative cross-reference.
The 3519/670 is the entry point of the large-bore 3519 series — the first bore class above 3519/630, establishing the dimensional and load architecture that scales through the 710, 750, 800, and 900 bore sizes. Verified for 120rpm (grease) / 160rpm (oil) — suited to rolling mill, mining, and large gearbox applications operating within these speed limits.
Internal construction: double cup + two cones + optional spacer — separable, field-maintainable without special tools.
Industry | Typical Use | Selection Reason |
Steel & Rolling Mills | Work roll necks, intermediate roll necks, pinion stands | High combined load; shock & vibration resistance |
Mining & Minerals | Crusher mainshafts, mill trunnions, conveyor drives | Contaminated environment; impact loads; misalignment |
Heavy Industrial Gearboxes | Large output / intermediate shafts, speed reducers | Bidirectional axial load; stable performance; low noise |
Hoisting & Lifting | Crane slewing rings, winch drums, industrial hoists | High static load; cyclic combined load |
Paper & Pulp Machinery | Large press roll necks, dryer section rolls | High radial load; continuous operation; moisture |
Tunnelling Machinery | TBM auxiliary drives, shield segment erector drives | Contaminated environment; combined load |
3519/630 | 3519/670 | 3519/710 | |
Bore (d) | 630 mm | 670 mm | 710 mm |
OD (D) | 820 mm | 900 mm | 950 mm |
Width (B) | 242 mm | 240 mm | 240 mm |
Weight | 368 kg | 416 kg | 445 kg |
Speed (grease) | — | 120 rpm | — |
Speed (oil) | — | 160 rpm | — |
Cr / Cor | 41,000 / 51,000 N | 41,000 / 51,000 N | 41,000 / 51,000 N |
The 3519/670 and 3519/710 share the same 240mm width — the only adjacent pair in the series with identical width. Not interchangeable: bore, OD, and weight differ. Always verify bore, OD, and width against your equipment drawing.
Part No. | Bore | OD | Width | Weight |
3519/530 | 530 mm | 710 mm | 243 mm | ~260 kg |
3519/560 | 560 mm | 750 mm | 213 mm | 235 kg |
3519/600 | 600 mm | 800 mm | 205 mm | 266 kg |
3519/630 | 630 mm | 820 mm | 242 mm | 368 kg |
3519/670(this) | 670 mm | 900 mm | 240 mm | 416 kg |
3519/710 | 710 mm | 950 mm | 240 mm | 445 kg |
3519/750 | 750 mm | 1000 mm | 264 mm | 499 kg |
3519/800 | 800 mm | 1060 mm | 270 mm | 604 kg |
3519/900 | 900 mm | 1180 mm | 275 mm | 728 kg |
Parameter | Value | Notes |
Dynamic Cr | 41,000 N | L10 fatigue life basis |
Static Cor | 51,000 N | Max load without permanent deformation |
Limiting Speed (grease) | 120 rpm | Standard grease lubrication |
Limiting Speed (oil) | 160 rpm | Circulating oil lubrication |
Clearance | C0/C2/C3/C4/C5 | C3/C4 for impact / elevated temperature |
Lubrication | Grease or circulating oil | ISO VG 220–460 (mills/gearboxes); EP NLGI 2–3 (mining) |
Temperature | –30°C to +120°C | Extended range with special grease on request |
Q: 3519/670 vs 10979/670 — what's the difference?
Same bearing. 3519/670 = GB/ISO designation. 10979/670 = alternative cross-reference.
Q: How does the 3519/670 compare to the 3519/710?
Bore: 670mm vs 710mm. OD: 900mm vs 950mm. Width: identical at 240mm. Weight: 416kg vs 445kg. Load ratings identical. Specified by shaft diameter — if your shaft is 710mm, see the 3519/710.
Q: What is the internal construction?
One double cup (outer ring, two raceways) + two cones (inner rings with roller/cage assemblies) + optional spacer. Separable — field-maintainable without special tools.
Q: Recommended clearance for mining crusher applications?
C3 or C4 — accommodates thermal expansion and prevents preload under impact. C0 (Normal) for standard gearbox service at ambient temperature. Confirm with your OEM equipment manual.
Q: Lubrication — rolling mill vs mining?
Rolling mills: circulating oil, ISO VG 220–460, up to 160rpm. Mining / outdoor: EP-additive grease NLGI Grade 2–3, up to 120rpm. Confirm with OEM equipment manual.
Q: Precision grade for speed reducer / gearbox applications?
P6 / ABEC-3 is the standard minimum for gearbox applications — adequate dimensional accuracy for gear mesh alignment and low-noise operation. P5 / ABEC-5 for high-precision or higher-speed reducers. Confirm with your reducer OEM manual.
Q: MOQ and lead time?
MOQ: 1 piece for stock items. Lead time: 5–7 business days (stock); confirmed at order for made-to-order. FOB Qingdao / CIF / EXW. Full wooden crating and export documentation included at 416kg unit weight.
Q: OEM / private label available?
Yes — custom box artwork, laser-engraved logo on bearing ring, fully branded packaging. All IP rights belong to you. MOQ and pricing on request.
Website | |
+86-155-6283-9480 | |
Location | Liaocheng, Shandong, China |
