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NHBBME-1104DMAngular Contact Ball Bearing – 20 mm ID, 42 mm OD, 12 mm Width, 15° Contact Angle, ABEC 7, Medium Preload

Condition: New

Availability:

7 in stock

Super-precision angular contact ball bearing pair, 20 x 42 x 12 mm, 15° contact angle, ABEC 7 / P4, medium preload. Matched duplex set, 2 Pcs, phenolic cage.

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List Price

$135.64

7 in stock

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Specifications

Key Specifications

MFR / BrandNHBB
MPNME-1104DM
ModelME-1104DM
Bearing TypeAngular Contact Ball Bearing, Open
ID20 mm
OD42 mm
Width12 mm

Technical Specifications

Material52100 Chrome Steel
SeriesMER
PreloadMedium
Dynamic Load Rating2,400 lbf
Static Load Rating1,350 lbf
Precision RatingABEC 7 / P4
Rolling ElementsBall
Cage MaterialPhenolic
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementUniversal (DB, DF or DT)
Base NumberMER-104
Mpn VariantsME-1104DM, ME-1104-DM, ME1104DM, 7004-C-TPA-P4-DUM, MER-104
Precision ClassABEC 7 / P4
Additional AttributesBall complement: 11 x 1/4 in. Inner land diameter: 1.075 in. Outer land diameter: 1.395 in. Max fillet radius: 0.024 in.

Cross-References

Cross Reference 1SKF 7004 CD/P4ADGB
Cross Reference 2FAG B7004-C-T-P4S-DUM
Cross Reference 3NSK 7004CTYNDUMP4
Cross Reference 4Fafnir 2MM9104WI DUM
Seller Part Number: B-EE2B2#WLXN38

Product Description

What this part is

NHBB ME-1104DM is a matched pair of super-precision angular contact ball bearings in the 7004 envelope, built by NHBB’s HiTech Division for machine tool spindles. Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm per bearing. Contact Angle: 15°. Precision Class: ABEC 7 / P4.

Decoding the designation

ME-1104 — NHBB metric angular contact size on basic number MER-104: dimension series 10, 20 mm bore, outer ring relieved, non-separable.

DM — duplex set, medium preload. The carton cross 7004-C-TPA-P4-DUM reads the same: duplex universal, medium preload.

7004-C-TPA-P4 — ISO 7004 envelope, 15° contact angle, phenolic cage, P4 tolerance.

What these specs mean in practice

Dynamic Load Rating: 2,400 lbf per bearing. Static Load Rating: 1,350 lbf per bearing. Rolling Elements: 11 balls, 1/4 in diameter. Cage Material: Phenolic. Closure Type: Open. Medium preload gives higher spindle stiffness than a light-preload set at the same size.

Mounting data

Maximum shaft or housing fillet radius: 0.024 in. Inner land diameter: 1.075 in. Outer land diameter: 1.395 in. Bore Type: Straight. Snap ring: No.

Quantity and configuration

Unit Quantity: 2 Pcs, one matched duplex pair. Preload: Medium. Mounting Arrangement: Universal, for back-to-back, face-to-face or tandem mounting.

Interchange guidance

Same envelope, angle and class: SKF 7004 CD/P4ADGB, FAG B7004-C-T-P4S-DUM, NSK 7004CTYNDUMP4, Fafnir 2MM9104WI DUM.

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