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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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2 in stock
NSK HR30214JDBP5 tapered roller bearing matched DB pair, 70 mm bore, 125 mm OD, ABEC 5 / P5. High-capacity HR execution, pressed steel cage.
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$95.57
2 in stock
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| MFR / Brand | NSK |
|---|---|
| Model | HR-30214-J DB P5 KL7 5CP0 |
| Bearing Type | Tapered Roller Bearing |
| ID | 70 mm |
| OD | 125 mm |
| Series | 302 |
|---|---|
| Base Number | 30214 |
| Industry Terms | tapered roller bearing; taper roller bearing set; matched pair; duplex back-to-back; precision taper set; cone and cup pair |
| Common Misspellings | HR30214JDPB5; HR3214JDBP5; HR30214-JDB-P5; HR30124JDBP5 |
| Application Types | Machine tool spindles; precision gearboxes; rotary tables; index drives; heavy-duty worm drives |
| Total Width | 26.25 mm |
| Mpn Variants | HR30214JDBP5; HR30214J DB P5; HR-30214-J DB P5; HR30214JDB; HR30214J; 30214J DB P5; HR30214J DB P5 KL7 5CP0 |
| Precision Class | ABEC 5 / P5 |
| Additional Attributes | Inner ring width B 24 mm; outer ring width C 21 mm; effective load centre a 25.7 mm; da min 82 mm; Da min 110 mm / max 116 mm; Db min 118 mm; shaft fillet ra max 2 mm; outer ring fillet ra max 1.5 mm; e 0.42; Y0 0.79; Y1 1.4 |
| Static Load Rating | 163,000 N |
| Rolling Elements | Tapered Roller |
| Item Weight | 1.3 kg (2.87 lb) |
| Cage Material | Pressed steel |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Limiting Speed | 2,800 rpm grease; 4,000 rpm oil |
| Harmonization Code | 8482.20.00 |
| Mounting Arrangement | Back-to-back (DB) |
| Bearing Material | Bearing steel |
| Cross Reference 1 | NSK 30214J - standard capacity, not HR, single bearing |
|---|---|
| Cross Reference 2 | SKF 30214 J2/Q - standard capacity, not HR, single bearing |
| Cross Reference 3 | FAG 30214-A - standard capacity, not HR, single bearing |
| Cross Reference 4 | Timken 30214 - standard capacity, not HR, single bearing |
| Cross Reference 5 | NTN 4T-30214 - standard capacity, not HR, single bearing |
| Cross Reference 6 | Koyo 30214JR - standard capacity, not HR, single bearing |
A matched pair of single-row metric tapered roller bearings in the ISO 302 dimension series, ground for back-to-back mounting. Bore Diameter: 70 mm. Outside Diameter: 125 mm. Total Width: 26.25 mm. Rolling Elements: Tapered Roller. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Cage Material: Pressed steel. Precision Class: ABEC 5 / P5. Bearing Material: Bearing steel.
HR — NSK’s high-capacity uprate. The roller complement and raceway geometry are revised for higher load rating than the plain 30214 of the same boundary dimensions.
30214 — the ISO 302 series size, 70 mm bore on a 125 mm outside diameter, 26.25 mm total width.
J — pressed steel cage.
DB — back-to-back matched pair. Two single-row bearings ground as a set and mounted with their wide outer-ring faces together. Mounting Arrangement: Back-to-back (DB).
P5 — ISO tolerance class 5. Precision Class: ABEC 5 / P5.
Static Load Rating: 163,000 N. Static Load Rating (lbf): 36,644 lbf. Limiting Speed: 2,800 rpm grease; 4,000 rpm oil. Item Weight: 1.3 kg (2.87 lb). These figures are per bearing.
A back-to-back pair sets the two effective load lines apart from each other, which gives the assembly a wide support base and high resistance to tilting moments. Axial load is taken in both directions by the pair.
ABEC 5 / P5 tightens bore, outside diameter and running-accuracy tolerances over Normal class, which lowers runout and the vibration that follows from it.
Bore Diameter: 2.7559 in. Outside Diameter: 4.9213 in. Total Width: 1.0335 in. Effective load centre a: 25.7 mm. Inner ring width B: 24 mm. Outer ring width C: 21 mm. Shaft abutment diameter da min: 82 mm. Housing abutment diameter Da min 110 mm, max 116 mm. Housing abutment diameter Db min: 118 mm. Shaft fillet radius ra max: 2 mm. Outer ring fillet radius ra max: 1.5 mm. Calculation factors e 0.42, Y0 0.79, Y1 1.4.
Unit Quantity: 2 Pcs. A matched DB set of two bearings, with spacers, as marked on the carton.
Cross-Reference 1: NSK 30214J. Cross-Reference 2: SKF 30214 J2/Q. Cross-Reference 3: FAG 30214-A. Cross-Reference 4: Timken 30214. Cross-Reference 5: NTN 4T-30214. Cross-Reference 6: Koyo 30214JR. Each is a standard-capacity single bearing at the same 70 x 125 mm size; the HR execution carries a higher load rating than a plain 30214.
$61.18
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