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NSK7213CTRDULP3Angular Contact Ball Bearing, Super Precision Matched Pair — NSK 7213CTRDULP3, 65x120x23 mm, 15° Contact Angle

Condition: New

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2 in stock

Super precision angular contact ball bearing, 65x120x23 mm, 15 degree contact angle, phenolic cage, P3 class light-preload duplex pair, 92,000 N dynamic.

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List Price

$327.00

2 in stock

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Specifications

Key Specifications

MFR / BrandNSK
MPN7213CTRDULP3
GTIN029176620379
Model7213C TR DUL P3
Bearing TypeAngular Contact Ball Bearing, Open
ID65 mm
OD120 mm
Width23 mm

Technical Specifications

MaterialBearing Steel
Series7200 Super Precision
LubricantGrease or oil-air
PreloadLight (L)
Base Number7213C
Industry TermsSuper precision spindle bearing; matched duplex pair; P3 class bearing; precision angular contact bearing; machine tool spindle bearing
Common Misspellings7213CTRDUIP3; 7213 CTR DULP3; 7213CTRDULP-3; 7213CTRDULPE; NSK 7213CTRDLP3
Application TypesMachine tool spindles; grinding spindles; boring and milling spindles; precision gearboxes; rotary tables
Overall Width23 mm
Mpn Variants7213CTRDULP3; 7213C TR DUL P3; 7213-C-TR-DUL-P3; 7213-CTR-DUL-P3; 7213CTRDUL P3
Precision ClassP3
Additional Attributesda min 74 mm; Da max 111 mm; Db max 114 mm; ra max 1.5 mm; rb max 0.8 mm; r min 1.5 mm; r1 min 1 mm; effective load centre a 23.9 mm; permissible axial load Pa 40.0 kN; recommended grease quantity 5.3 g per bearing
Cage TypeOuter-ring guided
Dynamic Load Rating92,000 N
Static Load Rating58,500 N
Rolling ElementsBall
Item Weight1.01 kg (2.227 lb) per bearing
Cage MaterialPhenolic
Number Of RowsSingle Row
Bore TypeStraight
Snap Ring IncludedWithout Snap Ring
Limiting Speed12,500 rpm grease; 19,000 rpm oil
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementDuplex universal (DU)
Bearing MaterialBearing Steel

Cross-References

Cross Reference 1SKF 7213 CD/P4A
Cross Reference 2FAG B7213-C-T-P4S
Cross Reference 3Timken (Fafnir) 2MM213WI
Cross Reference 4RHP 7213CTDUL
Cross Reference 5Koyo 7213C-5G
Cross Reference 6NTN 7213CG/GNP4
Cross Reference 7GMN S 6213 C
Cross Reference 8NSK 7213CTYDULP4 (sibling execution, ball-guided cage, P4 class)
Cross Reference 9NSK 7213A5TRDULP3 (25° contact angle, not a direct equivalent)
Seller Part Number: B-BP1#EB1ZNO

Product Description

What this part is

NSK 7213C TR DUL P3 is a super precision single-row angular contact ball bearing supplied as a matched duplex pair. Bore Diameter: 65 mm (2.5591 in). Outside Diameter: 120 mm (4.7244 in). Overall Width: 23 mm (0.9055 in). Contact Angle: 15°. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Number Of Rows: Single Row. Bearing Material: Bearing Steel.

Decoding the designation

7213 — 72 series super precision angular contact ball bearing in the 13 bore size, giving a 65 mm bore.

C — 15° contact angle.

TR — phenolic cage, outer-ring guided.

DU — duplex universal matching, so two bearings pair back-to-back, face-to-face or in tandem.

L — light preload.

P3 — NSK super precision tolerance class above P4.

What these specs mean in practice

Dynamic Load Rating: 92,000 N per bearing. Static Load Rating: 58,500 N per bearing. Dynamic Load Rating (lbf): 20,683 lbf per bearing. Static Load Rating (lbf): 13,151 lbf per bearing. Limiting Speed: 12,500 rpm grease; 19,000 rpm oil. Item Weight: 1.01 kg (2.227 lb) per bearing. Precision Class: P3. Cage Material: Phenolic. Cage Type: Outer-ring guided. Preload: Light (L). Lubricant: Grease or oil-air. Permissible axial load Pa: 40.0 kN per bearing. Recommended grease quantity: 5.3 g per bearing.

Mounting data

Shaft abutment diameter da min: 74 mm. Housing abutment diameter Da max: 111 mm. Housing abutment diameter Db max: 114 mm. Shaft fillet radius ra max: 1.5 mm. Housing fillet radius rb max: 0.8 mm. Chamfer r min: 1.5 mm. Chamfer r1 min: 1 mm. Effective load centre a: 23.9 mm.

Quantity and configuration

Unit Quantity: 2 Pcs. Mounting Arrangement: Duplex universal (DU). Series: 7200 Super Precision. Base Number: 7213C. Load ratings and mass stated above are per bearing.

Interchange guidance

Same-envelope 15° super precision executions: SKF 7213 CD/P4A · FAG B7213-C-T-P4S · Timken 2MM213WI · RHP 7213CTDUL · Koyo 7213C-5G · NTN 7213CG/GNP4 · GMN S 6213 C.

NSK sibling execution 7213CTYDULP4 carries a ball-guided cage and the P4 class. NSK 7213A5TRDULP3 shares the envelope at a 25° contact angle and is not a direct equivalent.

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