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Drawing of 6306 ZZ C3: ⌀30 × ⌀72 × 19 mm6306 ZZ C3ZZ
Fig. 1: 6306 ZZ C3, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6306 ZZ C3

Load: radial medium; axial low, on both sidesDeep groove ball

Bearing NTE 6306 ZZ C3

€1.96per piece
In stock: 85 pcs
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Specifications

Manufacturer number
ISO designation
Equivalents
7 exact, 74 approximate
d
30 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
72 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
19 mm
Width BRing width. Source: two supplier sources
Seal
ZZshields, both sides
Clearance
C3
C
29.6 kN
Basic dynamic load rating CLoad for one million revolutions at 90 % reliability; the L10 life is calculated from it as (C/P)^p. ISO method, manufacturer’s figure: do not carry it over to another brand. Source: supplier data
C0
16 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
m
0.35 kg
MassWeight of the product. Source: supplier data
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Equivalents

the same size 30 × 72 × 19 from other brands

81 products
Series illustration (not a photo of this item): 6306 ZZ C3
You are viewingNTE 6306 ZZ C3
€1.96baseline for the price comparison

Everything the number specifies matches: series 63, 30 × 72 × 19 mm, metal shields on both sides, clearance C3, ordinary steel, design without special letters. The codes in the number are read against the NTE catalogue.

Under the price: the difference from the price of this bearing (€1.96).
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Details

what this bearing is, questions

About the bearing

D 72d 30B 19
d×D×Bsize 30 × 72 × 19mm
Cdynamic 29.6kN
C0static 16kN
mweight 0.35kg

Deep groove ball bearing 6306-ZZ C3, design ZZ: metal shields on both sides.

C, C₀, m: NTE data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

Can I fit another brand instead of this bearing?

Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

How do I get a price and a lead time?

Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

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