6318-2Z/C3 Bearing Specification:
6318-2Z/C3 bearing is metal sealed deep groove ball bearing.
For this model number,
d: 90mm
D: 190mm
B: 43mm
Weight: 5.13kg
Material: Gcr15
Closure: metal seal
Radial Internal Play: C3
Precision: ABEC1/P0
Limiting Speed: 3800 rpm
Basic dynamic load rating (C): 151 kN
Basic static load rating (C0):108 kN
Operating Temperature: -30°C to 120 °C
Also Known As: 6318-2Z/C3, 6318-2Z-C3, 6318ZZC3, 6318 ZZ C3, 6318-ZZ-C3, 6318ZZX C3, etc

6300 Series Ball Bearings Model Number List:
| Model Number | Specifications(dxDxB) | Weight/kg |
| 6300-2Z/C3 | 10x35x11 | 0.053 |
| 6301-2Z/C3 | 12x37x12 | 0.0574 |
| 6302-2Z/C3 | 15x42x13 | 0.082 |
| 6303-2Z/C3 | 17x47x14 | 0.113 |
| 6304-2Z/C3 | 20x52x15 | 0.142 |
| 6305-2Z/C3 | 25x62x17 | 0.235 |
| 6306-2Z/C3 | 30x72x19 | 0.341 |
| 6307-2Z/C3 | 35x80x21 | 0.453 |
| 6308-2Z/C3 | 40x90x23 | 0.636 |
| 6309-2Z/C3 | 45x100x25 | 0.825 |
| 6310-2Z/C3 | 50x110x27 | 1.05 |
| 6311-2Z/C3 | 55x120x29 | 1.36 |
| 6312-2Z/C3 | 60x130x31 | 1.67 |
| 6313-2Z/C3 | 65x140x33 | 2.08 |
| 6314-2Z/C3 | 70x150x35 | 2.55 |
| 6315-2Z/C3 | 75x160x37 | 3.02 |
| 6316-2Z/C3 | 80x170x39 | 3.6 |
| 6317-2Z/C3 | 85x180x41 | 4.22 |
| 6318-2Z/C3 | 90x190x43 | 4.92 |
| 6319-2Z/C3 | 95x200x45 | 5.74 |
| 6320-2Z/C3 | 100x215x47 | 7.08 |
| 6324-2Z/C3 | 120x260x55 | 12.2 |
| 6326-2Z/C3 | 130x280x58 | 14.7 |
| 6328-2Z/C3 | 140x300x62 | 21.8 |
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Add: 1-2405-4, No. 1825, Hualong Rd., Licheng Dist, Jinan, Shandong, China
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Email: supersales@jntopbearing.com
Questions that usually come up before ordering 6318-2Z/C3 and 6318-2Z
When is 6318-2Z/C3 and 6318-2Z worth comparing against nearby deep groove ball bearings options?
Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.
What details usually matter before approving 6318-2Z/C3 and 6318-2Z for repeat supply?
Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.
Which next step usually helps after 6318-2Z/C3 and 6318-2Z is shortlisted?
A quick review of Deep Groove Ball Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.
Why keep a supporting guide linked beside 6318-2Z/C3 and 6318-2Z?
Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.