PRODUCTS
微型滾珠軸承
轴承型号系统
Seiko Instruments Inc. | ||||||||||||||
Material of OR/IR (SUJ2: C, Stainless: S) | ||||||||||||||
Unit (Metric: No code, Inch: R) | ||||||||||||||
Part Numbering | ||||||||||||||
Special feature (Normal design: No code, thin type: X1, etc.) | ||||||||||||||
Bearing type (Deep Groove: No code, Angular: A1, etc.) | ||||||||||||||
Shield (Open: No code, Double Shield: ZZ) | ||||||||||||||
Retainer (Plastic: N, Metal: M) | ||||||||||||||
Ball Material (SUJ2: CH, Stainless: CS, etc.) | ||||||||||||||
Radial clearance (0-5µm: M1, 3-8µm: M2, etc.) | ||||||||||||||
Noise Grade (Low noise: LN, Standard level: SD, etc.) | ||||||||||||||
Precision Grade (JIS0/ABEC1: B1, JIS5: P5, etc.) | ||||||||||||||
Grease Fill Quantity (5-10%: A1, 10-15%: A2, etc.) | ||||||||||||||
Lubricant Type (SIT-1301: G1, SIT1303: G2, etc.) | ||||||||||||||
S | □ | □ | □□□□ | □□ | □□ | □□ | □ | □□ | □□ | □□ | □□ | □□ | □□□ | |
S | C | 8030 | ZZ | N | CH | M2 | LN | P5 | A5 | G01 |
内外圈与滚珠材质
Material | Code | |
---|---|---|
内外圈 | 高碳铬轴承钢 | C |
马氏体不锈钢 | S | |
滚珠 | 高碳铬轴承钢 | CH |
马氏体不锈钢 | CS | |
陶瓷(氮化硅) | CM |
保持器

塑料保持器
材质:尼龙
SII代码: N

冠形保持器
材质:SUS420J2(不锈钢)
SII代码: M

波形保持器
材质:SUS304(不锈钢)
SII代码: R
密封板/防尘盖

压入密封板
材质:SUS304(不锈钢)
SII代码:Z (单盖) ZZ (双盖)

带卡环密封板
材质:SUS304(不锈钢)
SII代码:Z A(单盖) ZZA (双盖)

非接触胶皮密封板
材质:SPCC+耐油性胶皮
SII代码:LB (单盖) LLB (双盖)

接触胶皮密封板
材质:SPCC+耐油性胶皮
SII代码:LU (单盖) LLU (双盖)
油脂
普通性 | 耐热性 | 超耐热性 | |||||||
---|---|---|---|---|---|---|---|---|---|
SII代码 | 1301 | 1302 | 1303 | 3201 | 32302 | 33501 | 93602 | 5601 | 5602 |
增稠剂 | 锂皂 | 尿素 | 尿素 | 尿素/PTFE | PTFE (聚四氟乙烯) |
||||
基础油 | 酯 | 聚a烯烃 (PAO) 合成基础油 |
酯/PAO | 酯/醚 | 酯/氟 | 氟 | |||
主要用途 | 小马达 (冷却风扇等) |
・小马达 ・伺服器冷却风扇 ・汽车马达 |
汽车冷却风扇以及其他汽车配件 |
一览表
轴承型号 | ISO/JIS代码 | 孔径: d (mm) | 外径: D (mm) | 宽度: B (mm) | 滚珠外径X数量: DW (mm) x Z |
|
---|---|---|---|---|---|---|
mm | 3010 | 681 | 1.0 | 3.0 | 1.0 | 0.500 x 7 |
4015 | 68/1.5 | 1.5 | 4.0 | 1.2 | 0.600 x 7 | |
4015 | 68/1.5ZZ | 1.5 | 4.0 | 2.0 | 0.600 x 7 | |
4020 | 672 | 2.0 | 4.0 | 1.2 | 0.600 x 8 | |
5020 | 682 | 2.0 | 5.0 | 2.5 | 0.800 x 7 | |
6030 | 673 | 3.0 | 6.0 | 2.5 | 0.800 x 8 | |
8030 | 693 | 3.0 | 8.0 | 4.0 | 1.588 x 6 | |
7040 | 674 | 4.0 | 7.0 | 2.5 | 0.800 x 11 | |
1240 | 604 | 4.0 | 12.0 | 4.0 | 2.000 x 7 | |
8050 | 675 | 5.0 | 8.0 | 2.0 | 0.800 x 13 | |
8050 | - | 5.0 | 8.0 | 2.5 | 0.800 x 13 | |
1350 | 695 | 5.0 | 13.0 | 4.0 | 2.000 x 8 | |
1560 | 696 | 6.0 | 15.0 | 5.0 | 2.778 x 7 | |
inch | R418 | R144 | 3.175 | 6.35 | 2.38 | 1.000 x 7 |
RW418 | - | 3.175 | 6.35 | 2.779 | 1.000 x 7 | |
RW418A | - | 3.175 | 6.35 | 2.779 | 1.000 x 7 | |
R2 | - | 3.175 | 9.525 | 3.967 | 1.588 x 7 | |
R614 | - | 6.35 | 9.525 | 3.175 | 1.000 x 13 |