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NSK7209A5TYSULPA1Angular Contact Ball Bearing – Straight Bore, 45 mm ID, 85 mm OD, 19 mm Width, Open, 25° Contact Angle, Light Preload, PA1 Accuracy

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1 in stock

NSK 7209A5TYSULPA1 angular contact ball bearing, 45 x 85 x 19 mm, 25 deg contact angle, universally ground single, light preload, PA1 accuracy.

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$83.76

1 in stock

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Specifications

Key Specifications

MFR / BrandNSK
MPN7209A5TYSULPA1
Model7209 A5 TY DUL PA1 / 3MM209 WI CR DUL / B7209E
Bearing TypeAngular Contact Ball Bearing, Open
ID45 mm
OD85 mm
Width19 mm

Technical Specifications

PreloadLight
MaterialBearing Steel
Base Number7209
Industry Termssuper precision spindle bearing, universally ground single
Bore Shaft Size45 mm
Mpn Variants7209A5TYSULPA1, 7209-A5-TY-SUL-PA1, 7209A5TYSUL, 7209A5TYDULPA1, 7209A5, 7209E, B7209E
Precision ClassPA1 (NSK special accuracy class)
Additional AttributesPreload 333 N across a matched pair; axial rigidity 147 N/um; permissible axial load 23.3 kN; effective load centre 24.7 mm; da min 52 mm; Da max 78 mm
Cage TypeBall-guided
Dynamic Load Rating49,000 N
Static Load Rating27,600 N
Rolling ElementsBalls
Item Weight0.402 kg (0.89 lb)
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Limiting Speed15,400 rpm grease; 23,100 rpm oil-air
Contact Angle25°
Part Number7209A5TYSULPA1
Common Misspellings7209A5TYSUL PA1; 7209 A5TY SUL PA1; NSK 7209A5TYSULPA-1; 7209ATYSULPA1
Application TypesMachine tool spindles; precision grinding spindles; high-speed precision drives

Cross-References

Cross Reference 1Fafnir 3MM209WI - 25 deg
Cross Reference 2SKF 7209 ACD - 25 deg
Seller Part Number: B-AE2B2#KMYGCR

Product Description

What this part is:

NSK 7209A5TYSULPA1, a super-precision angular contact ball bearing, universally ground single bearing. 45 mm bore, 85 mm outside diameter, 19 mm width, 25° contact angle, light preload class. Unit Quantity: 1 Pc.

Decoding the designation:

7209 — single-row angular contact ball bearing, ISO 72 dimension series, 45 x 85 x 19 mm.

A5 — 25° contact angle.

TY — ball-guided cage.

SU — universally ground single bearing; any two pieces stack back-to-back, face-to-face or in tandem.

L — light preload class.

PA1 — NSK special accuracy class.

Specifications:

Bore Diameter: 45 mm. Outside Diameter: 85 mm. Width: 19 mm. Series: 7200. Bore Type: Straight. Closure Type: Open. Contact Angle: 25°. Cage Type: Ball-guided. Precision Class: PA1 (NSK special accuracy class). Preload: Light (L), 333 N across a matched pair, axial rigidity 147 N/µm. Dynamic Load Rating: 49,000 N. Static Load Rating: 27,600 N. Limiting Speed: 15,400 rpm grease; 23,100 rpm oil-air. Permissible Axial Load: 23.3 kN. Effective Load Centre: 24.7 mm. Item Weight: 0.402 kg (0.89 lb). Unit Quantity: 1 Pc.

Dimensions and mounting:

Shaft abutment diameter: 52 mm minimum. Housing abutment diameter: 78 mm maximum, 80 mm on the outer shoulder. Shaft fillet radius: 1 mm maximum. Housing fillet radius: 0.6 mm maximum. Universal grinding finishes the faces so pieces of the same designation reach the published preload on clamp-up in any arrangement, without a spacer.

Compatibility and replacement:

SKF 7209 ACD and Fafnir 3MM209WI cover the same 45 x 85 x 19 mm envelope at 25°. 7209CTY (15°) and 7209ATY (30°) are related sizes with a different contact angle. Carton marking: 3MM209WI CR. Alternate written forms: 7209A5TYSULPA1, 7209-A5-TY-SUL-PA1, 7209A5TYSUL, 7209A5TYDULPA1, 7209A5, 7209E, B7209E.

Frequently asked questions:

What is the contact angle of the NSK 7209A5TYSULPA1?

25°, from the A5 code.

What does the SU code mean?

A universally ground single bearing that can be stacked back-to-back, face-to-face or in tandem.

What are the speed and load ratings?

Limiting Speed 15,400 rpm grease and 23,100 rpm oil-air. Dynamic Load Rating 49,000 N, Static Load Rating 27,600 N.

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