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SNR7028CDUJ74Super Precision Angular Contact Ball Bearing – Straight Bore, 140 mm ID, 210 mm OD, 33 mm Width, Open, 15° Contact Angle, Universal Light Preload

Condition: New

Availability:

3 in stock

Super-precision angular contact ball bearing, 140 x 210 x 33 mm, 15° contact angle, light preload, ABEC 7 / P4, phenolic cage, open. Matched pair.

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List Price

$1,631.56

3 in stock

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Specifications

Key Specifications

MFR / BrandSNR
MPN7028CDUJ74
Model7028C T DUL P4 / 7028 C DU J74 / 2MM9128 WI CR DUL
Bearing TypeAngular Contact Ball Bearing, Open
ID140 mm
OD210 mm
Width33 mm

Technical Specifications

Series7000
Base Number7028
Bore Shaft Size140 mm
Mpn Variants7028-C-T-DUL-P4, 7028-C-DU-J74, 2MM9128WI CR DUL
Rolling ElementsBall
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Harmonization Code8482.10.50.28
Part Number7028CDUJ74
Seller Part Number: B-EC4#EMNNU0

Product Description

What this part is

SNR 7028CDUJ74 super-precision angular contact ball bearing. Bore: 140 mm. Outside Diameter: 210 mm. Overall Width: 33 mm. Series: 7000. Number Of Rows: 1. Rolling Elements: Ball. Bearing Material: Chrome steel. Closure Type: Open. Bore Type: Straight.

Decoding the designation

Contact Angle: 15°. Preload: Light. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Machined, outer-ring land-riding. Mounting Arrangement: Universal. Base Number: 7028. Part Number: 7028CDUJ74.

What these specs mean in practice

Dynamic Load Rating: 153 kN / 34395 lbf. Static Load Rating: 163 kN / 36643 lbf. Limiting Speed: 7500 rpm. A 15° contact angle favours speed and radial rigidity over thrust capacity. Light preload holds the rings in defined contact for running accuracy and shaft location while keeping heat generation low. Internal Clearance: N/A — the bearing is set by preload.

Cage and lubrication

The machined phenolic cage is guided on the outer-ring land, which keeps it stable at speed and gives it low mass. Lubricant: grease or oil. Max Temp: 120°C. Min Temp: -40°C. Item Weight: 7.9 lbs.

Quantity and configuration

Unit Quantity: 2 Pcs. A universally ground matched pair at light preload, which can be set back-to-back, face-to-face or in tandem.

Interchange guidance

Cross-Reference 1: SKF 7028 CD/P4ADGA. Cross-Reference 2: FAG B7028-C-T-P4S-DUL. Both are 15° super-precision executions at light preload on the same 140 x 210 x 33 mm envelope. MPN Variants: 7028-C-T-DUL-P4, 7028-C-DU-J74, 2MM9128WI CR DUL. Harmonization Code: 8482.10.50.28.

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