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NSK7209CTSULP4Angular Contact Ball Bearing, Super Precision Single Universal — NSK 7209CTSULP4, 45x85x19 mm, 15° Contact Angle

Condition: New

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1 in stock

Super precision angular contact ball bearing, 45x85x19 mm, 15 degree contact angle, phenolic cage, ABEC 7 single universal, 51,500 N dynamic rating.

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$110.02

1 in stock

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Specifications

Key Specifications

MFR / BrandNSK
MPN7209CTSULP4
Model7209 C T SUL P4 B 7209 X2 TA UL EP7 2MM209WI CR SUL 209 ABEC7
Bearing TypeAngular Contact Ball Bearing, Open
ID45 mm
OD85 mm
Width19 mm

Technical Specifications

MaterialBearing Steel
Series7200 Super Precision
PreloadLight (L)
Base Number7209C
Industry TermsSuper precision spindle bearing; universally ground bearing; precision angular contact bearing; machine tool spindle bearing; ABEC 7 bearing
Common Misspellings7209CTSUIP4; 7209 CTSULP4; 7209CTSULP-4; 7209CSULP4; NSK 7209CTSLP4
Application TypesMachine tool spindles; grinding spindles; high-speed motor spindles; precision gearboxes; rotary tables
Overall Width19 mm
Mpn Variants7209CTSULP4; 7209C T SUL P4; 7209-C-T-SUL-P4; 7209CT SUL P4; 7209CTSULP4B
Precision ClassABEC 7 / P4
Additional Attributesda min 52 mm; Da max 78 mm; Db max 80 mm; ra max 1 mm; rb max 0.6 mm; r min 1.1 mm; r1 min 0.6 mm; effective load centre a 18.2 mm; permissible axial load Pa 19.6 kN; recommended grease quantity 2.5 g per bearing
Closure TypeOpen
Cage TypeOuter-ring guided
Dynamic Load Rating51,500 N
Static Load Rating28,800 N
Rolling ElementsBall
Item Weight0.406 kg (0.895 lb) per bearing
Cage MaterialPhenolic
Number Of RowsSingle Row
Bore TypeStraight
Snap Ring IncludedWithout Snap Ring
Limiting Speed17,700 rpm grease; 27,000 rpm oil
LubricantGrease or oil-air
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementSingle universally ground (SU)
Bearing MaterialBearing Steel

Cross-References

Cross Reference 1SKF 7209 CD/P4A
Cross Reference 2FAG B7209-C-T-P4S
Cross Reference 3Timken (Fafnir) 2MM209WI
Cross Reference 4RHP 7209CTSUL
Cross Reference 5Koyo 7209C-5G
Cross Reference 6NTN 7209CG/GNP4
Cross Reference 7GMN S 6209 C
Cross Reference 8NSK 7209CTYSULP4 (sibling execution, ball-guided cage)
Cross Reference 9NSK 7209A5TSULP4 (25° contact angle, not a direct equivalent)
Seller Part Number: B-AJ2B1#ASWILZ

Product Description

What this part is

NSK 7209C T SUL P4 is a super precision single-row angular contact ball bearing, universally ground for single or multiple mounting. Bore Diameter: 45 mm (1.7717 in). Outside Diameter: 85 mm (3.3465 in). Overall Width: 19 mm (0.7480 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

7209 — 72 series super precision angular contact ball bearing in the 09 bore size, giving a 45 mm bore.

C — 15° contact angle.

T — phenolic cage, outer-ring guided.

SU — single universally ground, so any two bearings of the same execution assemble as a matched set.

L — light preload.

P4 — ISO class 4 super precision tolerance, ABEC 7.

What these specs mean in practice

Dynamic Load Rating: 51,500 N per bearing. Static Load Rating: 28,800 N per bearing. Dynamic Load Rating (lbf): 11,578 lbf per bearing. Static Load Rating (lbf): 6,474 lbf per bearing. Limiting Speed: 17,700 rpm grease; 27,000 rpm oil. Item Weight: 0.406 kg (0.895 lb) per bearing. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Outer-ring guided. Preload: Light (L). Lubricant: Grease or oil-air. Permissible axial load Pa: 19.6 kN per bearing. Recommended grease quantity: 2.5 g per bearing.

Mounting data

Shaft abutment diameter da min: 52 mm. Housing abutment diameter Da max: 78 mm. Housing abutment diameter Db max: 80 mm. Shaft fillet radius ra max: 1 mm. Housing fillet radius rb max: 0.6 mm. Chamfer r min: 1.1 mm. Chamfer r1 min: 0.6 mm. Effective load centre a: 18.2 mm.

Quantity and configuration

Unit Quantity: 1 Pc. Mounting Arrangement: Single universally ground (SU). Series: 7200 Super Precision. Base Number: 7209C. Load ratings and mass stated above are per bearing.

Interchange guidance

Same-envelope 15° super precision executions: SKF 7209 CD/P4A · FAG B7209-C-T-P4S · Timken 2MM209WI · RHP 7209CTSUL · Koyo 7209C-5G · NTN 7209CG/GNP4 · GMN S 6209 C.

NSK sibling execution 7209CTYSULP4 carries a ball-guided cage in place of the phenolic outer-ring guided cage. NSK 7209A5TSULP4 shares the envelope at a 25° contact angle and is not a direct equivalent.

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