Ningbo Precision Bearings
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Ningbo Precision Bearings

Products

Precision Rolling Bearing Series for European Equipment Builders

Compare our bearing series by bore, tolerance class, steel grade and application before you request a quote from this precision bearing manufacturer.

Full dimensional tables, sealing options and grease specifications are listed on the products page.

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Angular Contact Ball Bearing Series (ACB)

Angular Contact Ball Bearing Series (ACB)

OEM series for machine-tool spindles and high-speed gearboxes supplying German and Swedish builders.

Bore range (d)
25 – 120 mm
Outside diameter (D) / width (B)
47 – 218 mm / 15 – 42 mm
Tolerance class
ISO 492 P4 (P5 on request), EN 12080
Steel grade
100Cr6 (1.3503), through-hardened, induction hardened races
Cylindrical Roller Bearing Series (CRB)

Cylindrical Roller Bearing Series (CRB)

Separable design for hydraulic units and presses where a misaligned inner ring must be accommodated.

Bore range (d)
30 – 160 mm
Outside diameter (D) / width (B)
62 – 310 mm / 25 – 80 mm
Tolerance class
ISO 492 P5 / P6, EN 12080
Steel grade
100Cr6, case-hardened to 60–64 HRC at the roller contact zone
Tapered Roller Bearing Series (TRB)

Tapered Roller Bearing Series (TRB)

Combined radial and thrust capacity for drives, gearboxes and wheel hubs in heavy equipment.

Bore range (d)
20 – 100 mm
Outside diameter (D) / overall width (T)
45 – 180 mm / 14 – 46 mm
Tolerance class
ISO 492 P6, EN 12080; matched set preload on request
Steel grade
100Cr6, through-hardened, case-hardened rollers

Production capacity, MOQ and delivery windows

As a precision bearing manufacturer we quote a 6–10 week lead time on machined-to-print angular contact and cylindrical roller bearings, from 50 pieces per part number for first call-off, with full export documentation for German and Swedish schedules.

40,000 bearing sets per month across four families: angular contact ball
Monthly output
50 pieces per part number for machined or ground-to-print bearings;
Minimum order quantity
6–10 weeks from drawing approval to delivery for angular contact ball and
Lead time — standard
8–12 weeks, plus 2 weeks if special heat treatment, preloading or matched-set
Lead time — tapered roller and spindle
Common bore sizes (17, 20, 25, 30, 35, 40 mm) held in open and sealed versions;
Stock and express
Individual bearings sealed in polyethylene bags and labelled with part number
Packaging
Commercial invoice, packing list, EN 12080 dimensional inspection report and
Export documentation
ISO 9001:2015 quality management system with batch traceability by heat number;
Quality system

Send bearing specifications for a written quotation

Share your drawing, ISO 492 tolerance class and annual call-off volume; we reply with a model recommendation, price and confirmed lead time.

Request a quote