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計算条件一覧
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2302 自動調心玉軸受
呼び番号 主要寸法 基本定格荷重 許容回転数
d
mm		 D
mm		 B
mm		 Cr
N		 Cor
N		 Grease
min-1		 Oil
min-1
2302 15 42 17 13 500 2 910 14 000 18 000
計算条件一覧
2302
自動調心玉軸受
main product photo
画像はイメージです、実際の製品とはデザイン・仕様が一部異なる場合がございます。
運転条件
パラメータ設定
潤滑剤と汚染度
グリース潤滑: 油:
油浴:
動粘度 (mm2/s): (40℃), (100℃)
強制循環:
(cc/min)
汚染度: (ABLE) (ISO 281)
潤滑剤
(cc/min)
汚染度係数
軸受仕様と計算条件
精度等級:
内部すきま:
軸受材料:
信頼度（％）: (ABLE) (ISO 281)
軸受仕様
計算条件
軸およびハウジングのはめあい
軸はめあい:
中空軸内径: (mm)
ハウジングはめあい:
ハウジング外径: (mm)
軸はめあいとハウジングはめあい
(mm)
(mm)
計算結果
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軸受型番情報
2302
呼び番号
2302
主要寸法 基本定格荷重 回転速度
内径 外径 幅 基本動定格荷重 基本静定格荷重 許容回転数
グリース潤滑 油潤滑(油浴)
d (mm) D (mm) B(T) (mm) Cr (N) C0r (N) (min-1) (min-1)
15 42 17 13 500 2 910 14 000 18 000
寿命計算
Lable: (h)
Lnm: (h)
L10: (h)
呼び番号
2302
NSK ABLE Forecaster ISO 281: 2007準拠 JIS準拠
Lable (h) ansk Lnm (h) aISO L10 (h) L10 (x106rev)
1-1 1-3 1-4 1-6 1-8 1-9
平均動等価荷重 平均回転速度
P (N) N (min-1)
1-10 1-12
エラー！！ ISO281計算不可: κ ≧ 0.1になるように、より動粘度の高い潤滑剤に見直してください。
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
はめあいとすきま
呼び番号
2302
組込時(20℃)
すきま 円周応力 はめあい面の面圧
min max 内輪 外輪 内輪 外輪
⊿f (mm) σt (MPa) Pm (MPa)
すきま 円周応力 はめあい面の面圧
min max 内輪 外輪 内輪 外輪
⊿f (mm) σt (MPa) Pm (MPa)
2-9 2-10 2-11 2-12 2-13 2-14
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ The C/P value is too low. Calculation result is invalid.
注意！！ 組合せアンギュラ玉軸受の場合も、ラジアルすきまで出力されます。
振動周波数

fi (内輪) : (Hz)
fe (外輪) : (Hz)
2fb (転動体) : (Hz)
呼び番号
2302
パルス発生周波数
内輪 外輪 転動体
fi (Hz) fe (Hz) 2fb (Hz)
回転速度
内輪 保持器 転動体自転速度
ni (min-1) nc (min-1) na (min-1)
3-4 3-5 3-6
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ The C/P value is too low. Calculation result is invalid.
熱定格回転数・熱許容回転数

nperm: (min-1)
呼び番号
2302
熱定格回転数 熱許容回転数
nref (min-1) nperm (min-1)
5-3
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
必要粘度

κ:
呼び番号
2302
運転粘度 必要動粘度 粘度比
ν (mm2/s) ν1 (mm2/s) κ (ν/ν1)
1-15 1-16 1-14
運転粘度 必要動粘度 粘度比
ν (mm2/s) ν1 (mm2/s) κ (ν/ν1)
OC1
平均動等価荷重 平均回転速度
P (N) N (min-1)
1-10 1-12
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
グリース補給間隔

tf: (h)
呼び番号
2302
補給間隔 荷重による係数
tf (h) -
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
注記 標準的なグリースの計算結果です。より耐久性に優れたグリースもご用意いたしております。お気軽にNSKにご相談ください。
動トルク

M : (N･mm)
呼び番号
2302
軸受総トルク
M (N･mm)
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
円筒ころ軸受必要最小荷重

Frm: (N)
呼び番号
2302
必要最小荷重
Frm (N)
8-2
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！ The C/P value is too low. Calculation result is invalid.
エラー！！ The C/P value is too low. Calculation result is invalid.
円筒ころ軸受許容アキシアル荷重
CA : グリース潤滑 (N) 油 (N)
呼び番号
2302
許容アキシアル荷重
グリース潤滑 油
CA (N)
9-1 9-2
エラー！！ Low viscosity ratio k, full asperity contact. Use static safety factor to evaluate bearing performance. Recommended to use anti-wear (AW) or extreme pressure (EP) additives to reduce wear.
エラー！！

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