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Drawing of 6306 2RS: ⌀30 × ⌀72 × 19 mm6306 2RS2RS
Fig. 1: 6306 2RS, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm
Bearing Z&S 6306 2RS — photo 1
Bearing Z&S 6306 2RS — photo 2
Load: radial medium; axial low, on both sidesDeep groove ball

Bearing Z&S 6306 2RS

€3.62per piece
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Specifications

Manufacturer number
ISO designation
GOST number
OEM number
511.00.360, GASPARDO 51106407
Equivalents
15 exact, 65 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
2RSrubber, both sides
Clearance
normal clearance
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: two supplier sources
Limiting speed
12,000 rpm
Limiting speedMechanical limit; depends on the seal (SKF 6200: 36,000 open, 17,000 with 2RSH). Source: supplier data
m
0.35 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 30 × 72 × 19 from other brands

82 products
Photo: 6306 2RS
You are viewingZ&S 6306 2RS
€3.62baseline for the price comparison

Everything the number specifies matches: series 63, 30 × 72 × 19 mm, contact seals on both sides, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the Z&S catalogue.

Under the price: the difference from the price of this bearing (€3.62).
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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 6306-2RS, design 2RS: contact seals on both sides. Under GOST the same bearing is designated 180306.

C, C₀, m and limiting speed 12,000 rpm: Z&S 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.

What is 180306?

It is the same bearing under GOST 3189-89: 18 — contact seals on both sides, 0306 corresponds to the ISO base 6306. Size 30 × 72 × 19 mm, a full equivalent of 6306-2RS.

Will 6306 2RS C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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