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NSK70BNC10TDBLP4Super Precision Angular Contact Ball Bearing — 70 mm ID, 110 mm OD, 20 mm Width, ABEC 7 / P4, Phenolic Outer-Ring Guided Cage, Light Preload, Back-to-Back, Open.

Condition: New

Availability:

3 in stock

Super precision angular contact ball bearing pair, 70x110x20 mm, ABEC 7 / P4, phenolic outer-ring guided cage, light preload, mounted back-to-back.

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List Price

$500.65

3 in stock

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Specifications

Key Specifications

MFR / BrandNSK
MPN70BNC10TDBLP4
Model70BNC10 T DBL P4
Bearing TypeAngular Contact Ball Bearing, Open
ID70 mm
OD110 mm
Width20 mm

Technical Specifications

MaterialSteel
Base Number70BNC10
Industry TermsSuper precision angular contact bearing; machine tool spindle bearing; duplex matched pair
Common Misspellings70BCN10TDBLP4; 70BNC1OTDBLP4; 70 BNC 10 T DBL P4; 70BNC10TDLBP4
Application TypesMachine tool spindles; grinding spindles; high-speed rotating equipment
Overall Width20 mm
Mpn Variants70BNC10TDBLP4; 70BNC10-T-DBL-P4; 70BNC10 T DBL P4; 70BNC10TDBP4
Precision ClassABEC 7 / P4
Cage TypeMachined, outer-ring guided
Rolling ElementsBall
Cage MaterialPhenolic
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
LubricantGrease or oil
Harmonization Code8482.10.50
PreloadLight
Mounting ArrangementBack-to-back (DB) matched pair
Bearing MaterialBearing steel

Cross-References

Cross Reference 1NSK 7014 (same 70 x 110 x 20 envelope, standard angular contact series; not an equivalent)
Seller Part Number: B-R6#XANBEU

Product Description

What this part is

NSK super precision angular contact ball bearings from the 70BNC10 spindle range, supplied as a matched back-to-back pair. Bore Diameter: 70 mm. Outside Diameter: 110 mm. Overall Width: 20 mm per bearing. Precision Class: ABEC 7 / P4. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Bearing Material: Bearing steel.

Decoding the designation

70 — bore diameter in millimetres.

T — phenolic cage, outer-ring guided.

DB — duplex back-to-back. Two single-row bearings ground as a matched set with their load lines diverging outward.

L — light preload.

P4 — ISO class 4, ABEC 7.

What these specs mean in practice

Cage Material: Phenolic. Cage Type: Machined, outer-ring guided. Phenolic runs cooler and lighter than brass at spindle speeds and holds lubricant in the fabric base.

Preload: Light. Lubricant: grease or oil. Precision Class: ABEC 7 / P4 covers both dimensional and running accuracy.

A back-to-back pair carries axial load in both directions and resists moment load across the wide effective spread between the two load lines.

Quantity and configuration

Unit Quantity: 2 Pcs. Mounting Arrangement: back-to-back (DB) matched pair.

Interchange guidance

The 70 x 110 x 20 mm envelope is shared with the standard-series NSK 7014, which is a different bearing series rather than an equivalent.

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